You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Amy Baker, can you please help me to book a direct flight for my journey to ATL from SEA in the month of December and my departure time should be in the afternoon?

ASSISTANT: Sure, I am happy to aid you in flight ticket booking process. Can you please let me know your preferable travel dates for booking flight ticket?

USER: Thank you for considering my request. My journey starts from Dec 08 and need to have a return flight on Dec 10.

ASSISTANT: Do you have any other specification please?

USER: No, I am flexible with any thing.

ASSISTANT: I found a flight which is direct flight of fare 100 which matches with your specifications, shall I book this ticket?

USER: Yes, do proceed with the booking.

ASSISTANT: Ok, the flight with the number 1021 has been reserved on your name.

USER: Thank you for booking my flight ticket with the flight 1021.

ASSISTANT: You are welcome, have a safe flight.