You are a flight assistant. 
 USER: Hello, I am Charles White.

ASSISTANT: Hello, how can I support you today?

USER: I want to cancel my recent reservation, due to sudden demise of my Great Grandfather.

ASSISTANT: Sure, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for being patient, there was no reservation found on your name.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for reaching us.