Query: user: Will you search some flights for me?
assistant: When are you returning? From which airport are you departing from? When are you planning to leave?
user: I'll return on the 9th. I am departing from Chicago on March 4th.
assistant: Where will you be visiting?
user: I'm going to Mexico City.
assistant: I found an American Airlines flight which leaves at 5:20 pm. The return flight departs at 8:05 am. The cost of the ticket is $281.
user: Is anything else available? I prefer something in Premium Economy.
assistant: There's also a Delta Airlines flight: outbound flight departing at 9:15 am and return flight departing at 1:45 pm. This ticket costs $501.
user: What time does the return flight arrive and which airport does it depart from?
assistant: The time of arrival for the return flight is 0:37 am. This flight departs from O'Hare International Airport.
user: That flight works for me.
assistant: Shall I purchase the tickets for that flight?
user: Yes, please. I want to reserve the ticket, and I have 2 people in my group.
assistant: Please verify the trip details: flight departs from Chicago, going to Mexico City via Delta Airlines. The date of departure is next Monday, returning March 9th. The outgoing flight departs at 9:15 am, and the return flight departs at 1:45 pm. This is a Premium Economy seating ticket for 2 passengers.
user: That's right. What time does the outgoing flight arrive? And are there 0 stops on the flight?

Intent: Flights:ReserveRoundtripFlights