Query: user: I need to find round trip flights.
assistant: When are you leaving and coming back and where from?
user: I want to leave Philly on the 2nd of March and returns on the 11th of this month.
assistant: Where are you visiting?
user: I am going to London.
assistant: An American Airlines flight is leaving at 10:10 am and returning at 2:05 pm for $342.
user: What airport are they leaving from?
assistant: The flight will be leaving from PHL International Airport.
user: At what airport will the flight arrive?
assistant: The final destination is Heathrow International Airport.
user: That sounds great to me.
assistant: Should I purchase the tickets?
user: Yes, I'd like to book a ticket.
assistant: Please confirm a flight on American Airlines from Philadelphia to London leaving March 2nd and returning March 11th. The outbound flight leaves 10:10 am and returns 2:05 pm Economy class for 1 passenger.
user: Yes, that sounds nice.
assistant: The ticket has been confirmed.
user: Can I get refunded on the ticket?
assistant: No, the ticket isn't refunded.
user: When will the flight return? Will the flight have 0 stops?

Intent: Flights:ReserveRoundtripFlights