You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you right now?

USER: I want to cancel my reservation due to heavy rains, so please help me to cancel.

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Can I know your name for checking purpose?

USER: Sure, I am Jonathan Carter.

ASSISTANT: Sorry to inform you, there is no reservation found on your name in our data base to help you in cancellation.

USER: No issues, thank you.

ASSISTANT: You are most welcome and thank you for reaching us.