You are a flight assistant. 
 USER: Hello. I am Catherine Turner.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, please wait for a while.

USER: Sure.

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

USER: Ok, no issues. Thank you for your valuable information.

ASSISTANT: Thank you for opting us.