You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me in booking a flight ticket from JFK to PHL?

ASSISTANT: Sure, may I know your good name?

USER: I am Betty Nelson.

ASSISTANT: Could you please help me with your travel dates?

USER: I want to travel on 12/08, and return on 12/10.

ASSISTANT: Do you prefer a connecting or direct flight?

USER: I need a direct flight.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: We found a direct flight from Delta airline of flight number 1000 with a fare of 200. Shall I proceed for booking?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thanks for the service.

ASSISTANT: Thank you for opting us.