user_query: Could you create a list for me named Costco
response_text: Got it, I made a list called "Costco".
user_query: Add pears and bananas on it
response_text: Sure. Pears and bananas on your list called "Costco". Anything else?
user_query: tin foil and napkins
response_text: Sure. Tin foil and napkins. Anything else?
user_query: paper plates and plastic utensils
response_text: Paper plates and plastic utensils. Got it. What else?
User: How much do I owe AT&T in February I mean January?
Parse: Get_bill ( account_provider « AT&T » billing_date_span « January » )