Query: user: I have a trip coming up. Could you find me a oneway flight?
assistant: When do you plan to leave? Where are you planning to visist?
user: I would like to take an Economy flight to Mexico City, leaving on the 13th of this month.
assistant: Where will you be leaving from?
user: I will be leaving from Portland.
assistant: I have found a flight with Alaska Airlines that leaves at 7:55 am and has only 1 stop. The price for the flight is $242.
user: Which airport does the flight depart from? Which airport does the flight arrive?
assistant: You will be flying to Benito Juarez International Airport and will depart from PDX International Airport.
user: That flight sounds good to me. I feel like traveling soon. Can you assist me in buying a oneway ticket? There are 4 people in my group, so i will need 4 tickets.

Intent: Flights:ReserveOnewayFlight