Query: user: I will be leaving for a brief trip. Help me purchase flight tickets?
assistant: Is there any airlines you particularly prefer? How about Alaska Airlines, United Airlines or any other? Also, when would you like to board the return flight?
user: I am looking for United Airlines. I am planning to leave at half past 8 in the night on the returning flight.
assistant: What place are you leaving from and when do you plan to come back?
user: I am going from SF and coming back on the 7th.
assistant: What time are you leaving?
user: My onward flight can leave at 2:45 in the afternoon.
assistant: What is your destination?
user: I am going to Seattle.
assistant: What date are you leaving?
user: I am going on the 1st of this month.

Intent: Flights:ReserveRoundtripFlights