You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help that you are expecting my side?

USER: I am Ronald Edwards, I want to cancel my reservation which I have done last week.

ASSISTANT: Sure, I am glad to help you with the cancellation process.

USER: Than you.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry to inform you that, I didn't found any reservation with your name in our confirmation chart list to cancel.

USER: It's ok, anyway thank you for the information.

ASSISTANT: You are most welcome. Thank you for reaching us. Have a nice day.