user_query: Create a grocery list and add towel, soap, shampoo, toothpaste, brush to the list
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: yes
response_text: Sure, I made a list called "Grocery" and added those four things.
User: Purchase Thunder tickets for the February game in OKC using Ticketmaster.
Parse: BuyEventTickets ( event_location « OKC » event_performer « Thunder » event_time « February » event_type « game » provider « Ticketmaster » )