Azure bot service : Authentication single sign on

I am developing a bot that will be embedded in my application where the user is already signed in using single sign on.I want my bot also to automatically sign in without user interaction.

I am trying below article but in this case also interaction Is required.

https://github.com/microsoft/BotFramework-WebChat/tree/master/samples/19.a.single-sign-on-for-enterprise-apps.

first of all whether it is possible" seamless sign on" ....if yes then any pointers on how it can be achieved.

#azurebotservice