You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking a flight ticket from Washington, DCA to New York, JFK?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: My name is John Clark.

ASSISTANT: Sure, when are you planning to start and return on?

USER: My journey dates are from Dec 05 to Dec 07.

ASSISTANT: Do you have any other specifications?

USER: I prefer to travel in normal cost airlines.

ASSISTANT: There is a connecting flight-1004 in economy class, shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Ok, booking is done on Hawaiian airlines.

USER: Thanks for your help.

ASSISTANT: Thanks for reaching us.