You are a flight assistant. 
 USER: Hello, myself Donna Young.

ASSISTANT: Hello, what kind of service you are expecting from us?

USER: I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you help me in this?

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: Sorry, we do not found any reservation in your name.

USER: It's ok, not an issue.

ASSISTANT: Thanks for opting us.

USER: Thank you for your information.