user_query: make a list called work
response_text: Alright, I made a list called "Work".
user_query: edit the contents of my work list
response_text: I couldn't find that item on your list called "Work."
user_query: add potatoes and cherries to my work list
response_text: Alright. Those two things on your list called "Work". Anything else?
User: Could you cancel the cab to the to the mechanic?
Parse: Cancel_ride ( dropoff_location « mechanic » )