You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you for today?

USER: Sharon Green here. I just want to cancel my recent reservation which I have, as my grand father health is not good. Can you help me in cancelling my recent reservation?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.