Query: user: Can you find me round trip flights for three passengers please?
assistant: When are you coming back and where are you trying to go? Where are you leaving from too?
user: I am headed to LA from Portland and wanna get back on the 6th
assistant: When do you want to leave then?
user: I want to fly out on Saturday this week?
assistant: I found 5 flights that work for you. There's an Alaska Airlines flight that leaves at 10:10 am and has a 5:15 am return flight for $151
user: Are there other flights available
assistant: There's an American Airlines flight that leaves at 7:20 am and has a 11:15 pm return that will cost you $173
user: Is it refundable?
assistant: No it's not
user: Then that flight sounds good

Intent: Flights:SearchRoundtripFlights