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: Sorry, can you change that to add bacon instead?
Parse: Add_item_to_list ( items « bacon » )