Query: user: I have an upcoming trip. Can you find me one way flights?
assistant: Where are you leaving from? When do you plan to leave?
user: I am leaving from New Delhi and want to leave later today. I prefer United Airlines and want refundable tickets only.
assistant: Where are you planning to visit?
user: I am traveling to Philly with 4 people in my group.
assistant: I found 1 possible flight for you. It is a United Airlines flight that has an outbound flight leaving at 3:40 pm and has 1 stop. The ticket will cost $292.
user: Which airport does the flight depart from?
assistant: The flight departs from Indira Gandhi International Airport.
user: That flight sounds good to me.
assistant: Do you want to buy tickets for it?
user: Yes, I would like to book the tickets. Either business or economy class are fine.
assistant: Please confirm these details: The flight is from Delhi to Philadelphia. The airline is United Airlines. The departure date is today. The number of passengers is 4 people with Economy class.
user: Yes, that sounds good.
assistant: Your one way ticket is confirmed.
user: Thanks for your help. That's all I need.

Intent: Flights:ReserveOnewayFlight