You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Lisa Wright. I want to cancel my reservation due to health issues.

ASSISTANT: Ok, I will help you in doing that. Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not find any reservation on your name.

USER: No problem, thank you for your service.

ASSISTANT: Thank you.