user_query: Create a shopping list for me
response_text: Sorry, it looks like you already have a list with that name. Do you still want to make a new one?
user_query: put lettuce, apples, bananas, cauliflower, meat, chicken, cheese and flour on it
response_text: OK, what do you want to call it?
User: Order a ride from Bremen.
Parse: Order_ride ( pickup_location « Bremen » )