Query: user: I need to book a one-way flight.
assistant: That's no problem, just let me know where you want to go, where you are leaving from, and when you want the trip to be.
user: I need to leave for London, UK later today. Leaving from Chicago.
assistant: I found 3 possible flights. There is a $444 American Airlines flight leaving at 4:30 am with 1 stop. Would that work?
user: Yes, can you go ahead and purchase that one-way flight?
assistant: Alright, please confirm the following: You want to purchase a 1 one-way American Airlines Economy ticket to London from Chicago on March 1st. Please say yes to confirm.
user: Yes, that is good. Is it refundable? Also when does the flight arrive?

Intent: Flights:ReserveOnewayFlight