Query: user: I would like an economy ticket on a round trip flight.
assistant: When would you like to return?
user: I want to return on March 12th and I want to travel on southwest airlines.
assistant: When would you be leaving and from which city?
user: I will be leaving Atlanta, GA on March 4th.
assistant: Where are you heading to?
user: I am heading to SF.
assistant: There is 1 suitable flight. There is a flight on southwest airlines that leaves at 6:30 am. It would be returning at 7:10 am and costs $243
user: Which airport would it be leaving from and does it have 1 stop?
assistant: It leaves hartsfield-jackson international airport and has 1 stop.
user: That would be great.
assistant: Would you like tickets?
user: Go ahead and book the ticket for 1.
assistant: You would like an economy ticket for 1 on a southwest airlines flight from atlanta to san francisco that leaves on march 4th at 6:30 am and returns on March 12th at 7:10 am?
user: That would work. Is the ticket refundable? When would the return flight land?
assistant: I have reserved your tickets. The flight lands at 5:04 pm. I am sorry but the ticket is non-refundable.
user: Thanks a lot.

Intent: Flights:ReserveRoundtripFlights