You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Karen Parker, I want to cancel my reservation as my plan for vacation at New York is cancelled. Can you cancel my reservation?

ASSISTANT: Sure, we are here to help you. Please, stay online. I will check the previous list and revert to you.

USER: Sure.

ASSISTANT: Thank you for your valuable time. No reservation was found on your name to cancel.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us, have a good day.