Query: user: I am in need of finding a round trip flight.
assistant: Can you tell me when you will be leaving? Can you tell me what is your destination, and when will you be returning?
user: I will need tickets for two people, and I will be leaving for my trip on 2nd of this month. I want to arrive in Paris, and I want to return on the 14th.
assistant: Can you tell me from where you will depart?
user: I will be departing from NYC.
assistant: There are 2 flights which match what you need. One of the flights is the American Airlines flight which leaves at 3:40 pm, and it returns at 4:05 am. The ticket for this flight costs $301.
user: This flight seems nice. I want you to buy me Economy class tickets for this flight.

Intent: Flights:ReserveRoundtripFlights