title: DialogFlow, how to have responses with UI in it?
body: <p>I want to DialogFlow responses to have UI. One usage would be let users leave a message. So, it should have input name field, input email field, input message field and a send button.</p>
  
  <p>How it can be done? I read their documents, googled and did not find anything.</p>
  
  <p>Could anyone explain how to do it?</p>