Query: user: I have a trip coming up. Can you assist me in finding one way flights that depart out of ATL?
assistant: When do you plan on leaving? Where is the destination?
user: I am planning on leaving the day after tomorrow. I will be traveling to Los Angeles.
assistant: There is an available flight at 9:35 am out of ATL. There are 0 stops and the tickets start at $177. It will be an American Airlines plane.
user: If I changed my mind, would I be able to get a refund on my ticket? When does the onward flight arrive?
assistant: Yes, the ticket is refundable. The onward flight arrives at 11:34 am.
user: I think that flight will work for me.
assistant: Did you want to purchase tickets for it?
user: Yes, I would like to book a ticket for that flight.
assistant: Please confirm the following details: The flight will be departing Atlanta and arriving in Los Angeles. You will be flying American Airlines in Economy seating. You will need 1 ticket and will be leaving the day after tomorrow.
user: Actually, can I please book a Premium Economy seat?
assistant: Please confirm: You will be flying with American Airlines in a Premium Economy seat.
user: Yes, but I will only need 1 ticket for myself.

Intent: Flights:ReserveOnewayFlight