This document provides details on setting up Telegram and Dialogflow.
In case there are any technical issues or you would like to request any feature you can report it at the Public Issues by selecting the right component here.
If you have any technical queries or think your issue is related to code, you can post at the Stack Overflow or Server Fault and a community of developers will assist you.
Please note that Google Groups forum is meant for general discussion of the platform, not specific technical issues. You can find more info about Community Support Overview on Google Groups here.