You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I am Stephen Davis from Charlotte. I want to go to Las Vegas in this week for my film shooting purpose, can you please book a flight ticket from CLT to LAS?

ASSISTANT: Sure, can I know your preferable dates?

USER: Thank you for accepting my request, I want to take off on 02/02 and please confirm my return ticket also on 02/04.

ASSISTANT: Sure, please hold on for a moment.

USER: Ok.

ASSISTANT:  I found a flight 1004 of Frontier airlines matches with your preferences, can I proceed?

USER: Please confirm this flight ticket for me.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you, have a good day.