Query: user: I would like a flight ticket.
assistant: Do you have a preferred airline such as Air Canada, Air France, or other airline? When are you returning?
user: I want to fly on Delta Airlines and return on Tuesday next week.
assistant: Where are you leaving from? What time do you want the return flight?
user: There are 4 of us leaving from LA. We want a return flight around 17:00.
assistant: When are you leaving?
user: I want to fly on American Airlines on the 1st of this month.

Intent: Flights:ReserveRoundtripFlights