You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket from Washington DCA to PHL. Can you find a flight ticket for me?

ASSISTANT: Sure, may I know your name please?

USER: Ok, I am Jonathan Hill.

ASSISTANT: May I know on which dates you are willing to travel?

USER: Sure, my itinerary dates are on Sept 08 and return on Sept 10.

ASSISTANT: May I know your class preference please?

USER: No, but I want to depart in the afternoon time.

ASSISTANT: May I know your connection limit please?

USER: Yes, I need a single connecting flight.

ASSISTANT: There is a connecting flight of fare 100 with economy class in American airline, shall I proceed for booking?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Your ticket has been confirmed with flight number 1011.

USER: Thank you for your service.

ASSISTANT: You are welcome.Thank you for reaching us.