user_query: add item to Camping list
response_text: What do you want to add?
user_query: soda
response_text: I couldn't find a list called "Camping." Do you want me to make one?
user_query: actually add soda to shopping list instead
response_text: You have two items on that list. Which one do you want to edit?
User: I want to order an Uber to pick me up at the USO at 3:30 pm, no better make it 3 pm.
Parse: Order_ride ( pickup_location « USO » pickup_time « 3 pm » provider « Uber » )