Query: user: I'd like a round trip flight and I'm leaving march 3rd.
assistant: Sure, when will you be back?
user: the 9th of this month.
assistant: Where are you going?
user: Phoenix, AZ
assistant: Great, please tell me where you'll be leaving from?
user: Ciudad de Mexico
assistant: How about a 8:05 am American airlines flight that returns at 7:35 am for $261?
user: Great, please purchase the ticket for one person.

Intent: Flights:ReserveRoundtripFlights