user_query: Get more orange juice 
response_text: I got: Get more orange juice. Ready to send it?
user_query: message to owen 
response_text: OK, what's the message?
user_query: I want to send message 
response_text: Who do you wanna message?
User: Pay Metro no Att online.
Parse: Pay_bill ( account_provider « Att » payment_communication_mode « online » )