Query: user: I want to visit some friends in Phoenix for my upcoming vacation. Would you please assist me with arranging my flight and purchasing a one-way ticket?
assistant: All right. In what city do you plan on catching your flight?
user: I want to fly out of the main airport in Paris, France, please.
assistant: Okay, when you would like to embark on your flight?
user: Well, I need to schedule a flight for next Monday in Economy class.
assistant: I show a flight on Air France Airlines, leaving at 1:25 pm with 1 stop. The cost of the ticket is $367.
user: Wonderful. I'll take that flight, please. How soon can you book a reservation for me? I want 2 tickets for a one-way flight.
assistant: All right. I'm reserving tickets for 2 passengers, leaving on an Air France flight from Paris. The day of departure is next Monday in Economy class. Your flight destination is Phoenix. Please confirm.
user: Oh, sorry. Would you please change the reservation to a party of 4 passengers, please?

Intent: Flights:ReserveOnewayFlight