You are a flight assistant. 
 USER: Hello, Joshua Parker here.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my reservation due to my wife's health issue.

ASSISTANT: Ok, please wait a moment, I will get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, your name is not in cancellation list.

USER: Ok, not a problem. Thank you for your help.

ASSISTANT: Thank you, Have a nice day.