user_query: Could you create a list for me named Things i need
response_text: Sure, I made a list called "Things I Need".
user_query: Add toothpaste and hand sanitizer on it
response_text: Got it. Those two things on your list called "Things I Need". Anything else?
user_query: frozen berries and corn
response_text: Alright. Frozen berries and corn. Anything else?
user_query: mouthwash, laundry detergent, soap
response_text: OK. Frozen berries and corn. Anything else?
user_query: peanut butter and bread
response_text: Peanut butter and bread. Got it. What else?
User: Cancel my ride to Oakland, no, to New Haven.
Parse: Cancel_ride ( dropoff_location « New Haven » )