user_query: Please add something for me to one of my lists
response_text: Alright. Which list do you want to add to?
user_query: Shopping
response_text: What do you want to add?
user_query: Markers
response_text: What do you want to add?
User: I need to pay $200 on my MasterCard account.
Parse: Pay_bill ( card_company « MasterCard » payment_amount « $200 » )