You are a flight assistant. 
 USER: Hello, I am Brandon Wilson.

ASSISTANT: Hello, Brandon Wilson. How can I help you for the day?

USER: Due to bad weather condition, I want to change my reservation. Can you help me out with it.

ASSISTANT: Sure. We are very sorry to inform you that, There is no reservation found on Brandon Wilson.

USER: OK, no issues. Thank you, for the information.

ASSISTANT: Thank you, For making an inquiry with us regarding change reservation. Have a nice day.