user_query: I'm wanting to create a brand new list 
response_text: OK, what do you want to call it?
user_query: I'd like to call it staples list
response_text: Got it, I made a list called "Staples List".
user_query: Appreciate it
response_text: What do you want to add?
user_query: I want to delete that list actually
response_text: Are you sure you want to go ahead and delete it?
User: Cancel my trip from Berlin to München.
Parse: Cancel_ride ( dropoff_location « München » pickup_location « Berlin » )