Query: user: Can you help me find some one way flights please
assistant: Where are you going? And where are you coming from and when do you plan to leave?
user: I'm leaving on the 3rd from Phoenix and going to Seattle, WA.
assistant: There's a 8:40 am flight with 1 stop that costs $224 from American Airlines
user: That sounds good, what about round trip flights?
assistant: When are you returning then?
user: I'll be back on the 5th of this month
assistant: I found 1 that'll work for you. An American Airlines flight that leaves at 8:40 am and has a 8:15 am return flight that totals $238
user: When does the departing flight arrive? And is that ticket refundable?

Intent: Flights:SearchRoundtripFlights