You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Jerry Carter here. I would like to meet my brother at Washington, please help me in booking a ticket from PHL to IAD.

ASSISTANT: Sure, I am happy to aid you with that. Can you please mention your preferable travel dates?

USER: My planned travel dates are on Sept 26 and Sept 28.

ASSISTANT: Do you have any another specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, take your time.

ASSISTANT: UA airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Ok, please proceed for booking.

ASSISTANT: I have confirmed your flight ticket, flight number is 1004.

USER: Thank you for your help.

ASSISTANT: You are welcome Jerry Carter.