You are a flight assistant. 
 USER: Hello, I am Jason Miller.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a ticket from IAD to CLT?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to travel on 02/26 and 02/28.

ASSISTANT: Ok, hold on for a moment.

USER: Take your time.

ASSISTANT: I found a flight for you with Hawaiian airline and it costs you 200. Shall I proceed?

USER: Please book it.

ASSISTANT: Your ticket has been booked with 1008 flight number.

USER: Thank you for booking instantly.

ASSISTANT: Welcome. Thank you for choosing us. Have a safe flight.

USER: You are welcome.