user_query: call Sebastian Phillips instead actually
response_text: Sorry, who do you wanna call?
user_query: Ethan Watson
response_text: Calling Ethan WATSON.
user_query: call Ethan Watson
response_text: Calling Ethan WATSON.
User: I want to buy tickets to the play at 9:15PM.
Parse: BuyEventTickets ( event_time « 9:15PM » event_type « play » )