You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: May I know your good name?

USER: Sure, I am Nicholas Perez.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for visiting us.