Query: user: I'd like to find some one-way flights. Can you find me one for a group of one?
assistant: Of course. What destination did you have in mind, and where were you wanting to leave from? Was there a date that worked best for you?
user: Yes, I want to fly out of Portland this Sunday. I'll be headed to Seattle.
assistant: Okay, I've found 3 flights that'll work for you. There's an American Airlines flight at $89. It leaves at 6 am and has 0 layovers.
user: List out another option for me.
assistant: There's a Delta Airlines flight at $70. It leaves at 9:35 am and also has 0 stops.
user: Let's keep looking. I prefer United Airlines and would like to go Premium Economy.
assistant: Sure. There's a United Airlines flight at $106. It takes off at 7:15 am and has 0 layovers.
user: Which airport is it flying in to?
assistant: The flight will land at Seattle-Tacoma International Airport.
user: That sounds like a good fit.
assistant: Do you need help with anything else then?
user: Yes, let's look at round trip flights now. I want to fly back on March 5th.
assistant: I've found 1 flight that'll work for you. It's a United Airlines flight listed at $115. It flies out at 7:15 am, and it will return at 4:15 am.
user: Where does this flight land at?
assistant: This one is still arriving in Seattle-Tacoma International Airport.
user: Are the tickets for this flight refundable?
assistant: Sadly they are non-refundable.
user: Well, let's go with this flight anyway. This is going to be a short trip. Can you purchase tickets for me?
assistant: Yes, let's confirm the details first though. You're flight from Portland to Seattle on United Airlines. You want 1 ticket with Premium Economy seating. The first flight is the day after tomorrow at 7:15 am, and the flight back is next Tuesday at 4:15 am.
user: That sounds great. Which airport is my flight departing from?
assistant: It's taking off from PDX International Airport. Your ticket purchase has been confirmed.
user: Thank you for the help.

Intent: Flights:ReserveRoundtripFlights