You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Michelle King here, I would like to book a flight ticket to IAD from DCA. Can you please help me out?

ASSISTANT: Sure King, may I know your travel dates to search available flight for you?

USER: Sure, I prefer to fly on 06/24 and 06/26.

ASSISTANT: I found a flight with airline AA and price is 100, shall I proceed with this flight?

USER: Ok, please confirm my reservation.

ASSISTANT: Your ticket has been booked with flight-1011.

USER: Thank you for your quick service.

ASSISTANT: Welcome.