Query: user: Can you find me a round trip flight?
assistant: What is your departure date and location and what is your destination?
user: Leaving from SD next Monday and going to San Francisco.
assistant: What is your return date?
user: Getting back March 12th.
assistant: There is a flight on Alaska Airlines leaving at 11:10 am and returning at 6:10 am for a cost of $113.
user: How many stops are there?
assistant: There are 0 stops.
user: Are there other options?
assistant: There is a flight leaving on American Airlines leaving at 9:20 pm and returning at 12:15 pm for a cost of $143.
user: Is it a refundable flight and what airport does the return flight take off from?

Intent: Flights:SearchRoundtripFlights