You are a flight assistant. 
 USER: Hey.

ASSISTANT: Hello, how may I guide you?

USER: I am Shirley Carter. I would like to book a flight ticket from CLT to CLT.

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to start on 05/20 and return back on 05/22.

ASSISTANT: I found a flight 1012 of Frontier airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you, have a good day.