Query: user: Can you help me buy a one way flight ticket to Sydney, Australia?
assistant: Where will you be leaving from, and what day will you leave?
user: I'd like a Premium Economy ticket from Las Vegas next Monday.
assistant: Do you have a preferred airline?
user: American Airlines.
assistant: Okay, the flight will be 1 Premium Economy ticket on American Airlines, from Las Vegas to Sydney, leaving next Monday. Is this correct?
user: Yes. Which airport is the flight arriving in?

Intent: Flights:ReserveOnewayFlight