You are a flight assistant. 
 USER: Hello. I am Elizabeth Jackson.

ASSISTANT: Hello, how may I support you today?

USER: I want to book a flight ticket from New York to Washington to meet my new client, help me in booking my flight ticket.

ASSISTANT: Sure, I will help you in booking your ticket. Let me know your new travelling dates please?

USER: 01/07 to 01/09 are my travelling dates.

ASSISTANT: May I know your source and destination airport codes please?

USER: My source point is NY-EWR, my destination point is DC-IAD.

ASSISTANT: Ok, do you prefer direct flight or connecting flight?

USER: I need a halt with in my journey.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in Southwest airline. Shall I proceed for booking with in 1004 flight number?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for availing us.