You are a flight assistant. 
 USER: Hello, Jennifer Evans here.

ASSISTANT: Hello Evans. How can I help you today?

USER: I planned to attend my sister's wedding anniversary, but due to bad weather I am not interested. Can you help me to cancel my reservation?

ASSISTANT: Sure. Evans, I did not found any reservations with your name.

USER: That's ok.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your time.