You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Rebecca Edwards. I need some quick assistance in my flight ticket booking, can you help me in that one?

ASSISTANT: Sure, please provide your trip dates to go.

USER: Thank you for accepting my request and I would like to departure on 02/09 and arrival back on 02/11.

ASSISTANT: That's fine, may I know your airport codes?

USER: Sure, my genesis airport code is IAD and my terminus airport code is SFO.

ASSISTANT: UA airlines providing service to you with price 100, shall I proceed?

USER: Yes, please proceed with booking.

ASSISTANT: Ok, booking is done with your name.

USER: Thank you for your quick service.

ASSISTANT: Thanks for choosing us.