You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I best serve you?

USER: My health is not ok due to bad weather from last four days so, I couldn't attend meeting . Can you please cancel my reservation as of now?

ASSISTANT: Sure, may I know your good name to cancel your reservation?

USER: Ok, I am Kevin Nelson.

ASSISTANT: Please wait for a while, I will check and revert to you.

USER: OK.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thanks a lot for the response.