user_query: make a list called road trip
response_text: OK, I made a list called "Road Trip".
user_query: make a list called target run
response_text: Alright, I made a list called "Target Run".
user_query: add tomatoes to the list called target run
response_text: Alright. Tomatoes on your list called "Target Run". Anything else?
user_query: add potatoes to the road trip
response_text: Sure. Potatoes. Anything else?
user_query: thats it
response_text: What do you want to add?
User: Buy MMA tickets.
Parse: BuyEventTickets ( event_type « MMA » )