[Doc] update links (#2648)

Author: xieofxie

docs/_docs/skills/samples/hospitality.md

@@ -24,4 +24,4 @@ An example transcript file demonstrating the Skill in action can be found [here]
 
 ![Hospitality Example]({{site.baseurl}}/assets/images/skills-hospitality-transcript.png)
 
-The [Hospitality Sample VA]({{site.baseurl}}/reference/samples/hospitalitysample) demonstrates this skill and a number of other skills to demonstrate a more in-depth hospitality experience.
+The [Hospitality Sample VA]({{site.baseurl}}/solution-accelerators/assistants/hospitality-assistant) demonstrates this skill and a number of other skills to demonstrate a more in-depth hospitality experience.

docs/_docs/skills/samples/itsm.md

@@ -11,14 +11,14 @@ toc: true
 # {{ page.title }}
 {:.no_toc}
 
-The [IT Service Management skill](https://github.com/microsoft/AI/tree/next/skills/src/csharp/experimental/itsmskill) provides a basic skill that provides ticket and knowledge base related capabilities and supports SerivceNow.
+The [IT Service Management skill]({{site.repo}}/tree/next/skills/csharp/experimental/itsmskill) provides a basic skill that provides ticket and knowledge base related capabilities and supports SerivceNow.
 
 This skill demonstrates the following scenarios:
 - Create a ticket: *Create a ticket for my broken laptop*
 - Show ticket: *What's the status of my incident*
 - Update Ticket: *Change ticket's urgency to high*
 - Close a ticket: *Close my ticket*
-- Find Knowledgebase item: *Search knowledge articles related to error 1234*
+- Find Knowledgebase item: *Search knowledgebase for error lost connection*
 
 An example transcript file demonstrating the Skill in action can be found [here]({{site.baseurl}}/assets/transcripts/skills-itsm.transcript), you can use the Bot Framework Emulator to open transcripts.
 

docs/_docs/skills/samples/point-of-interest.md

@@ -28,7 +28,7 @@ The following scenarios are currently supported by the Skill:
 - Find a Point of Interest
   - _What's nearby?_
   - _Are there any pharmacies in town?_
-  - _Can you recommend an affordable restaurant in Seattle?_
+  - _Can you recommend a restaurant in Seattle?_
 
 ## Language Understanding
 {:.toc}
@@ -73,7 +73,7 @@ LUIS models are provided in **.lu** file format to support the scenarios used in
 ### Deployment
 {:.no_toc}
 
-Learn how to [provision your Azure resources]({{site.baseurl}}/tutorials/csharp/create-skill/4_provision_your_azure_resources/) in the Create a Skill tutorial.
+Learn how to [provision your Azure resources]({{site.baseurl}}/skills/tutorials/create-skill/csharp/4-provision-your-azure-resources) in the Create a Skill tutorial.
 
 ### Supported content providers
 {:.no_toc}
@@ -97,7 +97,7 @@ Learn how to use [events]({{site.baseurl}}/virtual-assistant/handbook/events) to
 {:.no_toc}
 
 This Skill supports an outgoing **OpenDefaultApp** Event Activity that provides a [Geo URI](https://en.wikipedia.org/wiki/Geo_URI_scheme) for chat clients to determine how to handle navigation to a user's selected point of interest.
-The [Virtual Assistant Client (Android) sample]({{ site.baseurl }}/clients/virtual-assistant-client/) demonstrates how a client may navigate to a destination using a user's preferred map application.
+The [Virtual Assistant Client (Android) sample]({{site.baseurl}}/clients-and-channels/clients/virtual-assistant-client) demonstrates how a client may navigate to a destination using a user's preferred map application.
 
 ```json
 { 

docs/_docs/virtual-assistant/handbook/events.md

@@ -77,7 +77,7 @@ You can request to remove all user state and unlink accounts by passing the **VA
 {:.no_toc}
 
 To be tightly integrated with a user's messaging client, a Virtual Assistant needs to send events back to the client application.
-The **OpenDefaultApp** example event is used in conjunction with the [Virtual Assistant Client (Android) sample)]({{ site.baseurl }}/clients/virtual-assistant-client/) to demonstrate samples of using metadata
+The **OpenDefaultApp** example event is used in conjunction with the [Virtual Assistant Client (Android) sample)]({{site.baseurl}}/clients-and-channels/clients/virtual-assistant-client) to demonstrate samples of using metadata
 
 **Activity payload**
 ```json