user_query: Could you create a list for me
response_text: Alright, what do you want to call it?
user_query: Call it a trip to new york
response_text: Alright, I made a list called "A Trip To New York".
user_query: Add toothpaste and hand sanitizer on it
response_text: Alright. Those two things on your list called "A Trip To New York". Anything else?
user_query: yes   please add shampoo and conditioner
response_text: What did you want to add?
user_query: hair detangler
response_text: OK. Hair detangler. Anything else?
User: Buy 5 tickets to the A's game.
Parse: BuyEventTickets ( event_performer « A's » event_type « game » ticket_quantity « 5 » )