user_query: Start a checklist 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: add a b and c on checklist
response_text: Alright, what do you want to call it?
user_query: yes
response_text: Got it, I made a list called "Yes" and added those two things.
User: Purchase tickets using Ticketmaster for Bruno Mars concert
Parse: BuyEventTickets ( event_performer « Bruno Mars » event_type « concert » provider « Ticketmaster » )