Query: user: I need one ticket for a one-way flight to SF.
assistant: Sure, what day and where will you leave from?
user: Next Friday and from CDMX.
assistant: There are 3 flights that I've found. How about an American Airlines flight that has 0 stops and leaves at 2:55 pm for $162?
user: What airport will the plain arrive from?
assistant: The SFO International Airport.
user: Where does it depart and what's the flight arrival time?
assistant: It departs from Benito Juarez International Airport and arrives at 4:38 pm.
user: Perfect.
assistant: Shall I book tickets?
user: No, please search for a round trip flight.
assistant: What date will be you coming back?
user: March 10th.
assistant: There 1 flight from American Airlines that leaves at 2:55 pm and returns at 1:20 pm for $166
user: Perfect, thanks.
assistant: Shall I purchase the tickets?
user: Yes please.
assistant: Please confirm your flight: 1 economy seat for an American Airlines flight leaving from Mexico City at 2:55 pm and arriving at San Francisco next Friday. The flight returns March 10th at 1:20 pm.
user: Awesome, which airport?

Intent: Flights:ReserveRoundtripFlights