user_query: Get this item on my shopping list
response_text: Which item?
user_query: Jane Eyre
response_text: I couldn't find Jane Eyre on your list called "Shopping."
user_query: Add jane Eyre to the shopping list
response_text: Alright, I added jane Eyre.
User: How much is my current water bill, I mean gas bill?
Parse: Get_bill ( account_type « gas » )