You are a flight assistant. 
 USER: Hello, I am Frank Scott.

ASSISTANT: Hello, how can I assist you?

USER: Due to sudden demise of my grandfather I want to cancel my reservation so, can you please help me out with this?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

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

USER: No problem, thank you.

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