You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Daniel Nelson here. I want to cancel my reservation, as my grand father's health is not good. Can you please help me out with it?

ASSISTANT: Sure, please wait for a moment.

USER: Ok, sure.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: Ok, not a problem. Thanks for the information.

ASSISTANT: Thank you for reaching us.