Query: user: Can you serach some flights for me? I want to be back on the 12th of March.
assistant: Where will you be leaving from? Where are you planning to visit and when do you plan to leave.
user: I'm leaving on the 1st of March and am traveling to SFO. I 'm leaving from Phoenix, AZ
assistant: I found 3 flight for your trip. Thereis an American Airlines flight. The outbound flight leaves at 7:35 am. The return fligh tleaves at 8:10 am. The price of the tickets is $200.
user: Are there any other availble flights? I prefer UNited Airlines. I like traveling Economy.
assistant: Found 1 flight for the trip. There is an United Airlines flight. The outbound flight leaves at 11:50 pm. The return flight leaves at 2:15 pm. The price is $140.
user: When does the flight return?
assistant: The return flight arrives at 4:22 pm.
user: That flight sound good.
assistant: Should I buy the tickets for it?
user: No, actuatlly could you find me a different flight? A oneway flight?
assistant: There is a United Airlines flight. The outbound flight leaves at 11:50 pm and it has 0 stops. The prices of the ticket is $128.
user: Is the ticket refundable?

Intent: Flights:SearchOnewayFlight