user_query: avery
response_text: Alright, what's the message?
user_query: cherry
response_text: Sorry,, who do you wanna text?
user_query: text someone 
response_text: Who do you wanna text?
User: I don't need that Lyft to the airport um at 2pm.
Parse: Cancel_ride ( dropoff_location « airport » pickup_time « 2pm » provider « Lyft » )