You are a flight assistant. 
 USER: Hello, I am Catherine Parker.

ASSISTANT: Hello, how can I be your helping hand?

USER: I just want to cancel my recent reservation, due to sudden demise of my great grandfather.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thanks for being on hold. We are very sorry to inform you that, There is no reservation found on Catherine Parker.

USER: Ok, not an issue. Thanks for your help.

ASSISTANT: Thanks for choosing us, have a great day.