Query: user: Could you help me find one-way flights? I'd like to travel in Economy.
assistant: Where are you leaving from and where did you plan on visiting?
user: I'd like to leave from Phoenix, AZ and I will be traveling to SF.
assistant: When were you planning on leaving?
user: I'd like to leave on the 13th.
assistant: I found 4 flights for you. One flight is an American Airlines outbound flight leaving at 6:15 am with 0 stops for $121.
user: That will work for me. Could you help me book a one-way ticket?

Intent: Flights:ReserveOnewayFlight