Query: user: I would lke to find a round trip flight.
assistant: What are your travel plans as far as when you are leaving and where are starting and ending your travels?
user: I would like to travel from Seattle, WA on the 4th and return on the 7th.
assistant: Where will you be visiting?
user: I am visiting Los Angeles.
assistant: I found 5 flights that meet your citeria. Alaska Airlines has a flight departing at 3:45 pm and returning at 7:10 pm for a ticket price of $152.
user: That flight is perfect.
assistant: Would you like to purchase tickets?
user: Yes, please purchase two economy tickets.

Intent: Flights:ReserveRoundtripFlights