You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your good name please?

USER: Yes, myself Kenneth Phillips.

ASSISTANT: Ok Kenneth, how can I assist you?

USER: I just want to cancel my recent reservation due to my health issue.Can you please go through it?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, there is no reservation found on your name.

USER: Ok, that's fine.

ASSISTANT: Thank you for approaching us.

USER: your welcome.

ASSISTANT: Have a great day.