Query: user: Will you find a round trip flight?
assistant: Departing from?
user: San Diego.
assistant: Destination? Departure and return date?
user: Depart on March 1st to Portland and return on the 3rd.
assistant: I found 4. Alaska Airlines offers outbound flight that departs at 1:20 pm and return flight at 5:40 pm for $148.
user: Refundable ticket?
assistant: No.
user: Origin and destination airports?
assistant: Departs SAN International Airport and arrives at PDX International Airport.
user: Anything else?
assistant: American Airlines offers outbound flight that leaves at 7:30 am and return flight at 7:20 am for $182.
user: Amazing.

Intent: Flights:SearchRoundtripFlights