Query: user: I am leaving for a trip out of Portland next Monday. Can you find me some oneway flights?
assistant: Where are you going?
user: I want to travel on Delta Airlines to SD and am looking for refundable tickets.
assistant: I found a Delta Airlines flight with 0 stops that leaves at 3:20 pm and costs $107.
user: That works for me.
assistant: Do you want to buy now?
user: No, not right now.
assistant: Do you need help with something else?
user: I need you to search flights.

Intent: Flights:SearchRoundtripFlights