You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Nicholas Lee. I am planning to book a ticket from AUS to DCA. Can you please help em out to book flight booking?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: I would like to travel on 11/01 and return back on 11/03.

ASSISTANT: Please give me a moment.

USER: Sure,.

ASSISTANT: In my search, I found a flight for you with single connection. Shall I proceed for booking?

USER: Please proceed the booking.

ASSISTANT: Your ticket is booked with flight number 1003 and airline is AA.

USER: Thank you for your service.

ASSISTANT: Welcome, have a safe flight.