user_query: pop 
response_text: I got: pop. Ready to send it?
user_query: watson
response_text: OK, what's the message?
user_query: send text
response_text: Who do you wanna text?
User: Purchase tickets  tickets to a edm concert in October in San Francisco
Parse: BuyEventTickets ( event_location « San Francisco » event_time « October » event_type « edm concert » )