You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My holiday vacation has been cancelled, can you please help me for cancelling the recent reservation?

ASSISTANT: Sure, I will help you with the flight ticket cancellation.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, my name is Thomas Lopez.

ASSISTANT: Thomas, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. But I am sorry to say that there is no flight reservation on your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you.