user_query: wait call levi first
response_text: Sorry, who do you wanna call?
user_query: yes
response_text: Calling Theodore CLARK.
user_query:  clark
response_text: I found a few places near you.
user_query: call clark
response_text: Is that Theodore CLARK at (555) 444-7777?
User: Buy baseball tickets no football tickets.
Parse: BuyEventTickets ( event_type « football » )