user_query: text Ella
response_text: OK, what's the message?
user_query: Get more oatmeal 
response_text: Sorry, I'm not finding a match in your contacts. Tell me just the first name ? or feel free to use the screen.
user_query: Send message to Ella
response_text: Sorry,, who do you wanna message?
User: Please ask um Uber to cancel my pickup at 8am.
Parse: Cancel_ride ( pickup_time « 8am » provider « Uber » )