Query: user: I have a trip coming up. Are there any oneway flights from New York?
assistant: When do you plan to depart?
user: There is only one person in my group. I am planning to leave on the 8th of this month.
assistant: Where would you like to visit?
user: I am traveing to San Diego.
assistant: There are 4 suitable flights. One is an American Airlines flight, which departs at 4:05 am and has 1 stop layover. The price of this flight is $228.
user: Which airport is this flight departing from? Also, is this ticket refundable?

Intent: Flights:SearchOnewayFlight