Query: user: I want to go on a short trip, so can you help me buy flight tickets?
assistant: Where are you visiting?
user: I'm going to London.
assistant: What's the date and time you want to leave, and what time do you want the return flight to be?
user: I'm leaving this Sunday and want to leave at 0:45 in the morning, but I can leave at around seven am.

Intent: Flights:ReserveRoundtripFlights