You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Larry Taylor. I would like to cancel my recent reservation, due to heavy rainfall at my place. Can you please help me?

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for opting us.