You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Because of some illness, I want to cancel my reservation which is done recently, can you please help me in this intent?

ASSISTANT: Sure, can I know your name please?

USER: Sure, my name is Michael Anderson.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry Anderson, there is no reservation found on your name.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for approaching us.