I want to put a prompt to allow user to choose while responding in google assistant app. I am creating this in dialog flow. How do I do this?
If you want to add "suggested input" items into your conversational experience as they show in the simulator or on a screen device, you are talking about "Suggestion Chips". Here is what that looks like in the simulator:
Using Dialogflow you can go into an Intent, and go to Responses. Go to the Google Assistant tab. Add a response and choose the type "Suggestion Chips". The input should match an intent.
来源：https://stackoverflow.com/questions/50608897/how-to-create-suggested-input-in-actions-on-google-while-creating-an-google-assi