You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Kathleen Davis.

ASSISTANT: How can I assist you?

USER: Can you please cancel my reservation, due to sudden demise of my Grandfather?

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Sure.

ASSISTANT: Kathleen Davis, there is no reservation found active under your name to do cancellation.

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

ASSISTANT: Thank you for choosing us, have a nice day.