Query: user: I want to search a round trip flight.
assistant: What will be the date of departure and the date of return?
user: My date of departure is Wednesday next week and the date of return is 12th of March.
assistant: What will be your destination?
user: My destination is Atlanta, GA.
assistant: What will be your place of departure?
user: I will depart from LA.
assistant: There are 4 flights suitable to you. One is an American Airlines flight which departs at 5:25 pm and the return flight departs at 2:30 pm. The ticket costs $175.
user: Okay, That sounds good to me.
assistant: Do you want me to buy the tickets for the flight?
user: Yes, Please book tickets for the flight.

Intent: Flights:ReserveRoundtripFlights