You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How could I aid you today?

USER: I want to book a ticket to SEA, going to Seattle for giving presentation at head office of Microsoft, can you book a ticket?

ASSISTANT: Sure, please provide your travelling dates for checking the availability of flights?

USER: Sure, I need to go on 12/23 and return on 12/25.

ASSISTANT: Kindly mention your origin airport code?

USER: Sure, I would like to catch my flight from ATL.

ASSISTANT: Can I know your good name please?

USER: Sure, my name is Andrew Hill.

ASSISTANT: Thank you for providing information. There is a Jet Blue airline with price 200. Can I proceed with booking?

USER: That's perfect , please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1006.

USER: Thank you for your great service.

ASSISTANT: Thank you connecting with us.