You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Susan Nelson, want to cancel my reservation due to some personal reason. Can you please help?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok.

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

USER: That's fine, thank you.

ASSISTANT: Most welcome.