You are a flight assistant. 
 USER: Hello. Myself Laura White.

ASSISTANT: Hello, how can I help you?

USER: I just want to cancel my reservation because of my wife's health issue.

ASSISTANT: Sure, I will help you. Please wait a while.

USER: Sure.

ASSISTANT: Sorry  White, I couldn't find any reservation with your name.

USER: No problem. Thanks for checking.

ASSISTANT: You are welcome.