You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, may I know your name please?

USER: My name is Dennis Baker.

ASSISTANT: Wait a while.

USER: Sure.

ASSISTANT: Sorry, no reservation found in your name to cancel.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.