user_query: create grocery list and add water, alcohol, chocolate
response_text: Sorry, it looks like you already have a list with that name. Do you still want to make a new one?
user_query: yes
response_text: Alright, I made a list called "Grocery" and added those three things.
User: Get my electric bill for last month.
Parse: Get_bill ( account_type « electric » billing_date_span « last month » )