Query: user: I'd like to book a one-way flight.
assistant: Any particular airline?
user: Delta Airlines if possible.
assistant: Where are you leaving from?
user: From Vancouver, BC.
assistant: And where do you want to go?
user: Las Vegas, leaving on the 5th of March. Business or economy.
assistant: I have an Economy Delta Airlines flight leaving Vancouver for Las Vegas next Tuesday. Is 1 ticket enough?
user: Yes, that sounds good.
assistant: I have booked your one-way flight.
user: Thanks. That's all I need.

Intent: Flights:ReserveOnewayFlight