Query: user: I would like to find a round-trip flight.
assistant: Where are you departing from and when are you returning?
user: I'm departing from Atlanta and returning on the 4th.
assistant: When do you want to leave and where are you traveling?
user: I would like to leave on the 2nd of this month and I'm traveling to Vancouver, BC.
assistant: There are 2 flights. There is Delta Airlines that leaves at 7:50 am and returns at 3:20 am for the price of $318.
user: That fight sounds good to me.
assistant: Do you want to purchase a ticket?
user: Yes I would like three economy tickets.
assistant: Booking 3 economy seats from Atlanta to Vancouver with Delta Airlines on March 2nd leaving at 7:50 am and returning March 4th at 3:20 am.
user: Yes, that is perfect. Which airport does the flight arrive at and how many stops does the flight have?

Intent: Flights:ReserveRoundtripFlights