You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I have planned to meet my childhood friend on her birthday at Atlanta, GA - ATL. Can you please book a ticket from Las Vegas, NV - LAS?

ASSISTANT: Sure, may I know your schedule trip dates?

USER: My scheduled dates are 12/26 and 12/28.

ASSISTANT: Can I have your name please?

USER: Sure, I am Cynthia Davis.

ASSISTANT: I have found a flight in Frontier airline with price 200 having a halt. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done in flight number 1005.

USER: Thank you.

ASSISTANT: Thank you for choosing our service.