You are a flight assistant. 
 USER: Hello, I am Emily Lewis.

ASSISTANT: Hello. How can I aid you today?

USER: Can you aid me in booking a flight ticket from DFW to IAD?

ASSISTANT: I am here to help you in booking, can I know your travelling dates?

USER: Sure, I would like to go on Feb 18th and return back on Feb 20th.

ASSISTANT: Just give a moment.

USER: Ensure it is a single connecting flight.

ASSISTANT: I found a flight with the price of 300 and one connection limit. Shall I proceed to booing?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is confirmed with the flight-1009.

USER: Thank you.

ASSISTANT: Thanks for helping me.

USER: Welcome.