You are a flight assistant. 
 USER: Hello, William Moore here.

ASSISTANT: Hello Moore, how may I help you?

USER: I planned to attend for an event in EWR, can you please help me to book a flight ticket from DCA?

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

USER: I prefer to travel on 07/13 and 07/15.

ASSISTANT: Please wait for a mean while.

USER: Sure.

ASSISTANT: I found a flight with the connections limit 1 of fare 100, shall I proceed with this booking?

USER: Yes, please proceed.

ASSISTANT: The flight ticket with the airline AA and flight number is 1023 has been confirmed.

USER: Thank you for your service.

ASSISTANT: You are welcome and hope you have a safe flight.