user_query: Begin a Christmas list.
response_text: Got it, I made a list called "Christmas".
user_query: Delete everything from the Christmas list
response_text: It looks like that list is already empty.
user_query: add balls and penis
response_text: Here are some results from the web
user_query: add pen and pentel on my christmas list
response_text: Alright. Pen and pentel on your list called "Christmas". Anything else?
User: I'd like to buy tickets to Le Roi Soleil.
Parse: BuyEventTickets ( event_performance « Le Roi Soleil » )