Query: user: I would like to buy a plane ticket.
assistant: Where are you leaving from? What days would you like to start and end your trip?
user: I am looking for flights from New York. I would like to leave on the 1st and come back on the 14th. I would also like it to be an Economy ticket.
assistant: Where would you like to go?
user: I am going to Seattle, WA. I would like a United Airlines flight, if possible.
assistant: There is 1 United Airlines flight. The flight leaves at 5:10 am and the returning flight comes back at 10:10 am. The ticket costs $338
user: What airport is the flight leaving from? and when does the returning flight land?
assistant: The flight takes off from JFK International Airport. The returning flight lands at 11:20 pm
user: That sounds okay

Intent: Flights:SearchRoundtripFlights