You are a flight assistant. 
 USER: Hello, I am Timothy Parker.

ASSISTANT: Hello. How can I help you today?

USER: Can you aid me in booking a flight ticket from CLT to IAD in economy class?

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

USER: Sure, I would like to go on Dec 28th and return back on Dec 30th.

ASSISTANT: Please give me a moment.

USER: Ensure it is a single connecting flight.

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

USER: Ok, please proceed for further if it costs you below 500.

ASSISTANT: Ok. Your ticket is booked with flight number 1006 and airline is AA.

USER: Thank you for booking.

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

USER: Welcome.