user_query: bring up the first list
response_text: You have eleven lists. Which one do you want to know about?
user_query: what are they
response_text: You have quite a few lists.
user_query: show me my lists
response_text: You have quite a few lists.
User: Cancel my taxi from home to the theater, I mean the zoo.
Parse: Cancel_ride ( dropoff_location « zoo » pickup_location « home » )