Query: user: I have a trip soon, can you get me some one way flights for March 1st?
assistant: Where are you leaving from and going to?
user: I'm leaving from Atlanta to Vegas. I prefer Economy.
assistant: How about a Delta Airlines flight that leaves at 5:40 pm with 1 stop? It will cost $237.
user: Can I refund the ticket? When does the onward flight arrive?
assistant: Unfortunately, it's not refundable. The onward flight arrives at 9:35 pm.
user: Is there anything else?
assistant: There's a Southwest Airlines flight that leaves at 6:30 am with 1 stop for $282.
user: That works, I want to travel soon. Can you buy it for me?
assistant: Just to make sure, you want 1 Southwest Airlines Economy flight ticket from Atlanta to Las Vegas, leaving today?
user: Yep, that works.

Intent: Flights:ReserveOnewayFlight