user_query: Can you remove the item from Christmas list?
response_text: Which item?
user_query: Let's take a look at the Christmas list.
response_text: Sorry, I looked for Vacation, but couldn't find it. Do you want to see all of your lists?
user_query: Can you let me see the vacation list?
response_text: Sorry, I looked for Vacation, but couldn't find it. Do you want to see all of your lists?
User: I want to find valet parking near the Empire State Building tonight.
Parse: Find_parking ( location « the Empire State Building » parking_type « valet » time « tonight » )