user_query: add new brakes on my to-do list 
response_text: Got it, I added new brakes.
user_query: Can you show me my to-do list 
response_text: You have one thing on that list.
User: Pay $130, no, make that $135 on my Zales credit card.
Parse: Pay_bill ( card_company « Zales » payment_amount « $135 » service_type « credit card » )