Query: user: I am looking for a one way flight.
assistant: What is the destination of the flight?
user: The destination is Sydney, NSW.
assistant: When do you want the departure date of the flight and from where will it be departing?
user: The departure date will be the 4th of March and departing from Phoenix.
assistant: There are 3 flights that match your criteria. There is a flight from American Airlines with a cost of $289. The flight takes off at 7:35 am and it has 1 stop.
user: At what time does the flight arrive?
assistant: It arrives at 1:32 pm.
user: To what airport does it arrive?
assistant: It arrives at Kingsford Smith International Airport.
user: It sound great. I want to buy an Economy class ticket.
assistant: Please confirm: 1 Economy class ticket from American Airlines, departing from Phoenix with destination to Sydney. The departure date is next Monday.
user: I would prefer Premium economy class.

Intent: Flights:ReserveOnewayFlight