You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Mark Jones.

ASSISTANT: How can I aid you Jones?

USER: Please cancel my recent reservation which I have done previously.

ASSISTANT: Ok, please wait I can check and let you know about your reservation status.

USER: Sure, take your time to check my status.

ASSISTANT: Sorry, Jones no reservation found on your name to cancel.

USER: It's ok, thanks for your information.

ASSISTANT: Most welcome.