update broken links (Azure#21643)

* update broken links

* update links

Author: mshaban-msft

sdk/cognitivelanguage/azure-ai-language-conversations/README.md

@@ -6,7 +6,7 @@ The CLU **analyze api** encompasses two projects; conversation, and orchestratio
 You can use the "conversation" project if you want to extract intents (intention behind a user utterance) and custom entities.
 You can also use the "orchestration" project which orchestrates multiple language apps to get the best response (language apps like Question Answering, Luis, and Conversation).
 
-[Source code][conversationallanguage_client_src] | [Package (PyPI)][conversationallanguage_pypi_package] | [API reference documentation][conversationallanguage_refdocs] | [Product documentation][conversationallanguage_docs] | [Samples][conversationallanguage_samples]
+[Source code][conversationallanguage_client_src] | [Package (PyPI)][conversationallanguage_pypi_package] | [API reference documentation][api_reference_documentation] | [Product documentation][conversationallanguage_docs] | [Samples][conversationallanguage_samples]
 
 ## _Disclaimer_
 
@@ -295,9 +295,10 @@ This project has adopted the [Microsoft Open Source Code of Conduct][code_of_con
 [azure_core_readme]: https://github.com/Azure/azure-sdk-for-python/blob/main/sdk/core/azure-core/README.md
 [pip_link]:https://pypi.org/project/pip/
 [conversationallanguage_client_src]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cognitivelanguage/azure-ai-language-conversations
-[conversationallanguage_pypi_package]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cognitivelanguage/azure-ai-language-conversations
+[conversationallanguage_pypi_package]: https://pypi.org/project/azure-ai-language-conversations/
+[api_reference_documentation]:https://azuresdkdocs.blob.core.windows.net/$web/python/azure-ai-language-conversations/latest/azure.ai.language.conversations.html
 [conversationallanguage_refdocs]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cognitivelanguage/azure-ai-language-conversations
-[conversationallanguage_docs]: https://azure.microsoft.com/services/cognitive-services/language-understanding-intelligent-service/
+[conversationallanguage_docs]: https://docs.microsoft.com/azure/cognitive-services/language-service/conversational-language-understanding/overview
 [conversationallanguage_samples]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cognitivelanguage/azure-ai-language-conversations/samples/README.md
 [conversationanalysis_client_class]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cognitivelanguage/azure-ai-language-conversations/azure/ai/language/conversations/_conversation_analysis_client.py
 [azure_core_exceptions]: https://github.com/Azure/azure-sdk-for-python/blob/main/sdk/core/azure-core/README.md

sdk/cognitivelanguage/azure-ai-language-conversations/samples/README.md

@@ -49,10 +49,8 @@ For more information about how the versioning of the SDK corresponds to the vers
 2. Set the environment variables specified in the sample file you wish to run.
 3. Follow the usage described in the file, e.g. `python sample_analyze_conversation_app.py`
 
-## Next steps
-
-Check out the [API reference documentation][api_reference_documentation] to learn more about
-what you can do with the Azure Conversational Language Understanding client library.
+## Advanced Samples
+The following samples showcase some advanced concepts in CLU
 
 | **Advanced Sample File Name**                                                                                                                                                               | **Description**                                                                                  |
 | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------ |
@@ -62,6 +60,11 @@ what you can do with the Azure Conversational Language Understanding client libr
 | [sample_analyze_orchestration_app_conversation_response.py][sample_analyze_orchestration_app_conversation_response] and [sample_analyze_orchestration_app_conversation_reponse_async.py][sample_analyze_orchestration_app_conversation_response_async]                 | Same as orchestration sample, but in this case the best response will be a Conversation project |
 | [sample_analyze_orchestration_app_luis_response.py][sample_analyze_orchestration_app_luis_response] and [sample_analyze_orchestration_app_luis_response_async.py][sample_analyze_orchestration_app_luis_response_async]                 | Same as orchestration sample, but in this case the best response will be a LUIS project |
 
+## Next Steps
+
+Check out the [API reference documentation][api_reference_documentation] to learn more about
+what you can do with the Azure Conversational Language Understanding client library.
+
 
 [azure_subscription]: https://azure.microsoft.com/free/
 [azure_clu_account]: https://language.azure.com/clu/projects
@@ -82,5 +85,5 @@ what you can do with the Azure Conversational Language Understanding client libr
 [sample_analyze_orchestration_app_luis_response_async]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cognitivelanguage/azure-ai-language-conversations/samples/async/sample_analyze_orchestration_app_luis_response_async.py
 [sample_analyze_orchestration_app_with_params]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cognitivelanguage/azure-ai-language-conversations/samples/sample_analyze_orchestration_app_with_params.py
 [sample_analyze_orchestration_app_with_params_async]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cognitivelanguage/azure-ai-language-conversations/samples/async/sample_analyze_orchestration_app_with_params_async.py
-[api_reference_documentation]: https://language.azure.com/clu/projects
+[api_reference_documentation]: https://azuresdkdocs.blob.core.windows.net/$web/python/azure-ai-language-conversations/latest/azure.ai.language.conversations.html
 [versioning_story_readme]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/cognitivelanguage/azure-ai-language-conversations#install-the-package