Query: user: I want you to help me find a round trip flight.
assistant: Can you tell me the time when you will be coming back? From where will you leave for your flight?
user: I want to travel in Economy class, and I want to have tickets for 2 people, for a flight which leaves from New York, and it returns on the 9th.
assistant: Can you tell me which is your destination?
user: I want to arrive in London?
assistant: When do you want to have this trip?
user: I want to leave for my trip on March 1st.
assistant: There are 2 flights which suits what you requested from. One of the flights is the American Airlines flight which leaves at 6:15 pm, and when it returns it flies at 2:05 pm. The ticket for this flight costs $282.
user: Can you tell me the airport where this flight will go to? Can you check if the flight has 0 stops?
assistant: The number of stops for this flight is actually 1, and this flight will arrive at Heathrow International Airport.
user: Is there some other flight you can recommend?
assistant: Another flight I can suggest with Delta Airlines which leaves at 6:20 pm, and when it returns it flies at 3:35 pm. The ticket for this flight costs $255.
user: This flight suits me well.
assistant: Do you want to buy tickets for this flight?
user: Yes I want to make reservation for tickets for this flight.

Intent: Flights:ReserveRoundtripFlights