user_query: yes
response_text: Sure, I made a list called "Fun" and added coca cola.
user_query: Fun list
response_text: I couldn't find a list called "Fun." Do you want me to make one?
user_query: Can you add coca cola to the list?
response_text: Got it. Which list do you want to add to?
User: I want to see my Verizon, I mean T-Mobile bill from last month.
Parse: Get_bill ( account_provider « T-Mobile » billing_date_span « last month » )