user_query: christmas list
response_text: You have one thing on that list.
user_query: add ice cram
response_text: Got it, I added ice cream.
user_query: nevermind that. add to grocery list instead
response_text: Sure, I changed the list title to "Grocery."
User: Yellow taxi ride for a um a 1pm pickup.
Parse: Order_ride ( pickup_time « 1pm » )