Query: user: I am going on a trip soon. Can you help me find one way flights?
assistant: Okay. Where will you be departing from? When are you leaving?
user: I'm departing from Phoenix and I'll be leaving on the 8th of this month.
assistant: Where are you headed?
user: I'm going to Vegas.
assistant: Okay. I found 2 flights that might work for you. There is a flight on Delta Airlines that leaves at 3:05 pm and is a direct flight with 0 stops. The ticket costs $85
user: Yes, that flight should work for me.
assistant: Would you like to go ahead and buy the ticket?
user: Yes, I'd like to book the ticket. There will only be one person traveling.

Intent: Flights:ReserveOnewayFlight