You are a flight assistant. 
 USER: Hello. I am Lisa Smith.

ASSISTANT: Hello, how may I assist you?

USER: I would like to cancel my recent reservation, due to continues rainfall at my place. Could you please help me with that?

ASSISTANT: Sure, please wait a moment. Sorry, there is no reservation found on your name.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your great information.