You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to cancel my reservation due to some health issues, can you please help me out?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Thank you. Myself Nicholas White.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: Nicholas White, I am really sorry to inform you that there is no booking found on your name to cancel.

USER: That's ok, no problem. Anyway thank you for checking out.

ASSISTANT: Thank you for reaching us. Have a great time.