Query: user: Can you help me find a round-trip flight for 2 people?
assistant: When would you like to leave? Where would you like to visit, and here are you leaving from?
user: I'll be leaving from Vancouver, BC and I'd like to travel to SFO on the 6th of March.
assistant: When would you like to come back?
user: I'd like to return by the 11th of March.
assistant: I was able to locate 1 flight that fit your criteria. There is a flight with Delta Airlines that departs at 3:20 am, with a returning flight that departs at 5:45 pm. The price per ticket is $184.
user: That sounds pretty good.
assistant: Should I buy your tickets for this flight?
user: No, thank you. Are you able to find any one-way flights?
assistant: There is a flight with 1 stop with Delta Airlines that departs at 3:20 am, and the price per ticket is $241.
user: Are the tickets refundable?
assistant: The tickets are not refundable, unfortunately.
user: Which airport would we be departing from?
assistant: This flight will be departing from YVR International Airport.
user: Excellent. That sounds great.

Intent: Flights:SearchOnewayFlight