You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation due to ongoing tornado at my destination place.

ASSISTANT: Ok, may I know your name please?

USER: Elizabeth Williams is my name.

ASSISTANT: Ok, please wait for a moment, I will check and get back to you.

USER: OK.

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

USER: Ok, no problem. Thanks for the response.

ASSISTANT: Thank you for opting us.