You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Could you help me in booking a flight ticket from ATL to LAS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to fly on Oct 16, return on Oct 18.

ASSISTANT: Do you have any other specifications?

USER: I want direct flight.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any airline.

ASSISTANT: We found a direct airline: Delta, flight number: 1024 and price is 200. Shall I proceed to booking?

USER: Ok, proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Your good name please.

USER: My name is Justin Lee.

ASSISTANT: Thank you for reaching us.

USER: Thank you.