Query: user: I'm planning a trip, please help me find a flight.
assistant: Where are you going, and when will you return?
user: I'll fly out to San Fran, returning on the 12th of this month.
assistant: When and where will you travel from?
user: I'll fly from Washington, on the 10th of this month.
assistant: How about flying with United Airlines, taking off at 8 am and returning at 5:50 am, at a cost of $292?
user: That sounds good.

Intent: Flights:SearchRoundtripFlights