Click “Autoreplies” on the left sidebar.
Click "+Autoreply"
Set the "Initial Message" content, ensuring that it requires a specific response (e.g. 'Yes' or 'No')
Click "Add Reply".
Set the "Expected Reply", e.g. 'Yes'
Compose the messages (text, email, voice) you would like to auto-reply for 'Yes'
Click "Add Reply" again.
Set the "Expected Reply", e.g. 'No'
Set the messages (text, email, voice) you would like to auto-reply for 'No'
Click "Save" to save the autoreply
NOTE: You can use any type of expected reply (e.g. 1 or 2, YES or NO, Y or N) and you can automatically reply with one message per expected reply.