You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Carolyn Young.

ASSISTANT: Yes, Carolyn Young.

USER: Can you please help me with booking a flight ticket from IAD to AUS?

ASSISTANT: Sure, I'm here to help you with that. May I know your preferable travel dates please?

USER: My travelling dates are from Dec 04 to Dec 06.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: UA airlines is providing a flight on that route with ticket fare of 200, shall I proceed for booking?

USER: You can proceed with it.

ASSISTANT: I have successfully booked your ticket with flight-1012, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.