You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Anthony Lee. I need to cancel my recent reservation due to change in weather. Could you please help me?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, there is no reservation found on your name.

USER: No worries, thank you for your information.

ASSISTANT: Thank you for opting us.