user_query: Could you create a list for me named Costco
response_text: OK, I made a list called "Costco".
user_query: Add pears and bananas on it
response_text: Got it. Pears and bananas on your list called "Costco". Anything else?
user_query: tin foil and napkins
response_text: Alright. Tin foil and napkins. Anything else?
user_query: paper plates and plastic utensils
response_text: Paper plates and plastic utensils. Got it. What else?
User: Order a ride arriving at Frankfurt Flughafen at 5pm.
Parse: Order_ride ( dropoff_location « Frankfurt Flughafen » dropoff_time « 5pm » )