To improve your conversational experience it might be helpful to create quick replies.
Quick Replies are buttons that help the end user with pre-defined replies and make your solution more discoverable.
Add Quick Replies
To create Quick Replies, you select a reply action on your flow canvas. In the right pane, you see a tab called quick replies.
The dropdown enables you to use the quick replies for different purposes such as sending text, triggering an event or to share a location.
The Quick Reply Label will be visible for the end-user within the button itself. The Quick Reply Value is the value that will be send when the end-user clicks the Quick Reply.