user_query: make a list called california
response_text: OK, I made a list called "California".
user_query: add tomatoes and watermelon to my list called california
response_text: Alright. Those two things on your list called "California". Anything else?
user_query: make a list called oregon
response_text: Got it, I made a list called "Oregon".
user_query: add oranges and apples to my list called oregon
response_text: Alright. Those two things. Anything else?
User: Pay $50 on the credit card bill.
Parse: Pay_bill ( payment_amount « $50 » service_type « credit card » )