Query: user: I need a round trip flight leaving on the 5th of this month.
assistant: Where are you leaving from? When are you coming back? Where are you going?
user: I am leaving Phoenix, AZ on the 9th for ATL.
assistant: I found 4 options including American Airlines leaving at 11:25 pm. The return flight leaves at 11:40 am. The ticket cost is $235.
user: Anything else?
assistant: Delta Airlines has a flight leaving at 11:55 am, the returning flight leaves at 6:55 pm. The total cost is $250.
user: That will be perfect. I need 2 tickets.

Intent: Flights:ReserveRoundtripFlights