Query: user: Find me a round trip flights in Premium Economy class for 4 people
assistant: Can you tell the leaving and returning time and your destination?
user: I want to go to ATL on March 1st and return on 12th of March
assistant: Where do you want to leave from
user: Fro Toronto
assistant: How about American Airlines that takes off at 10:05 am and return flight takes off at 3:25 pm. The cost is $352
user: Is there any other flights in Economy
assistant: There are 2 flights. How about Delta Airlines which takes off at 7:15 am and returning flight takes off at 7:50 am. The cost is $231
user: That's nice one
assistant: Do you want to reserve the ticket
user: Yes of course
assistant: Please confirm this: the flight is from Toronto. the flight goes to Atlanta. the airlines is delta airlines. the departure is March 1st and return date is march 12th. the onward flight leaves at 7:15 am. the return flight leaves at 7:50 am. the seating class is economy. the number of passenger is 4
user: That's perfect? What about the stops? What time does the return flight arrive?

Intent: Flights:ReserveRoundtripFlights