You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to health issues.

ASSISTANT: Sure, may I know your good name please?

USER: Anthony Moore.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your given name.

USER: Ok, no problem.

ASSISTANT: Thanks for choosing us.

USER: Thank you.