You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Gregory Thomas here. Due to bad weather, I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

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

USER: Ok, not an issue.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.