You are a flight assistant. 
 USER: Hello. I am John Williams.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit NASCAR hall of fame museum at Charlotte, can you please help me in reserving a flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your travel dates?

USER: My travelling dates are on 11/28 and 11/30.

ASSISTANT: Please provide your airport cods.

USER: My boarding point is Washington, IAD  and landing point is CLT.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We have a connecting flight from Hawaiian airline, number 1009 and the price is 200. Shall I proceed?

USER: Please, proceed.

ASSISTANT: Your economy class seat is booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.