Query: user: Can you find me a round trip flight?
assistant: Where and when are you leaving?
user: I'm leaving NY on the 9th of March, preferably via Southwest Airlines.
assistant: When will you return?
user: On March 12th, preferably via premium economy.
assistant: Where do you plan to go to?
user: To Seattle.
assistant: I did find a $555 Southwest Airlines flight that leaves at 6:30 am and heads back at 5:25 am.
user: Sounds good to me.

Intent: Flights:SearchRoundtripFlights