Query: user: Help me find round trip flights.
assistant: When will you be leaving?
user: I'm going to leave on the 4th of this month.
assistant: When are you returning? Where are you going? And where will you be traveling from?
user: I'll be going to Chi-Town from Seattle, WA. I want to return on March 10th.
assistant: There's an American Airlines flight. The outbound flight departs at 2:50 pm. The return flight is at 4 pm. It costs $258 per ticket.
user: What else is there? I want an Economy seat.
assistant: I've found 3 fights. There's a Delta Airlines flight. The outbound flight departs at 3:35 pm. The return flight is at 11:50 pm. It costs $175 per ticket.
user: Is there anything else? How about United Airlines, and traveling from New York.
assistant: There's a United Airlines flight. The outbound flight departs at 5:10 am. The return flight is at 10:10 am. It costs $309 per ticket.
user: And what's the departure airport?
assistant: The departure airport is JFK International Airport.
user: Is it a 1 stop flight?
assistant: It is a 1 stop flight.
user: Okay, that's good.
assistant: Do you want to buy a ticket.
user: Yes, I would like to buy a ticket.
assistant: You want 1 Economy ticket for New York to Seattle on United Airlines. The outbound flight is March 4th at 5:10 am and the return is March 10th at 10:10 am. Shall I proceed with the purchase?
user: Yes, please do. What does the outbound flight arrive? And what's the arrival airport?

Intent: Flights:ReserveRoundtripFlights