You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samuel Taylor. As I have fallen sick suddenly due to bad weather, I would like to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: Please wait. I will get back to you.

USER: Sure.

ASSISTANT: Sorry Samuel, no reservation found on your name in our website.

USER: That's fine. Anyway, thank you for your help.

ASSISTANT: My pleasure, have a nice day.