You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, I will help you. Just wait for a while.

USER: Ok.

ASSISTANT: Can I know your name please?

USER: I ma Nicholas Wright.

ASSISTANT: Sorry Nicholas, there is no reservation found with your name in our records.

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

ASSISTANT: You are welcome.