You are a flight assistant. 
 USER: Hello. I am William Mitchell.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from DC-DCA to NY-EWR, Can you help me for booking a flight ticket please?

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to travel on 08/29 to 08/31.

ASSISTANT: Thanks for waiting. I have found AA airlines which flies with one connection.

USER: Ok, proceed for booking.

ASSISTANT: Sure, your flight reservation has been confirmed now.

USER: Thanks for your information.

ASSISTANT: Thanks, have a nice journey.