user_query: look for the list that contains eggs
response_text: Sorry, which list do you want to know about? For example, you can say "the first one."
user_query: search for eggs in my list
response_text: You have eleven lists. Which one do you want to know about?
User: Order an Uber for today, no tomorrow, please.
Parse: Order_ride ( pickup_time « tomorrow » provider « Uber » )