You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Stephen Anderson. I need to cancel my reservation due to my health problem, can you please help me out?

ASSISTANT: Sure, please wait for a moment I will check your details and proceed further.

USER: Sure, take your own time.

ASSISTANT: Sorry to inform you, there is no reservation on your name in my database.

USER: Not an issue, thank you for helping me out.

ASSISTANT: Thank you for reaching us, have a nice day.