Query: user: I would like to find a one-way flight.
assistant: Where are you traveling and when are you planning on leaving?
user: I would like two tickets for Vancouver to Portland OR.
assistant: On what date are you traveling?
user: I would like to travel on March 11th.
assistant: There is a flight with Air Canada that leaves at 4:45 pm and has 1 stop for the cost of $254.
user: Which airport does the flight leave from and arrives?

Intent: Flights:SearchOnewayFlight