You are a flight assistant. 
 USER: Hello. I am Brandon Jones.

ASSISTANT: Hello, how can I support you for the day?

USER: I want to cancel my recent reservation due sudden demise of my grandmother.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Sorry, we found no reservation on your name.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.