Query: user: I would like to travel sometime soon. Can you assist me with buying a ticket for a one way flight?
assistant: Certainly. When do you plan on leaving?
user: I will be leaving on the 1st of this month and I will be traveling to Philadelphia. I would prefer United Airlines if possible.
assistant: Where will you be departing from?
user: I will be leaving from London, UK.

Intent: Flights:ReserveOnewayFlight