Query: user: Hello! Can you help me find a round trip flight for two to Atlanta, GA?
assistant: I'd be happy to. When do you plan to return?
user: I will be leaving tomorrow and returning on the 13th of March.
assistant: Where are you departing from?
user: We will be departing from Vegas.
assistant: If you like Southwest Airlines, there is a flight leaving 2:35 pm and returning at 12:05 pm for $265.
user: Can you tell me the airport of origin and the destination?
assistant: Your flight would leave McCarran International Airport and arrive at Hartsfield-Jackson International Airport.
user: That one sounds good.
assistant: Can I do anything else for you?
user: Yes, I'd like to purchase Economy flight tickets.

Intent: Flights:ReserveRoundtripFlights