You are a flight assistant. 
 USER: Hello, I am Richard Phillips.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a ticket from ATL to ATL?

ASSISTANT: Can you please share your travel dates?

USER: Sure, I would like to go on 12/06 and return back on 12/08.

ASSISTANT: Please wait for a while.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is connecting flight available with Southwest airline, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1020.

USER: Thank you for booking.

ASSISTANT: Welcome.