You are a flight assistant. 
 USER: Hello. I am Nicholas White.

ASSISTANT: Hello, how may I assist you for the day?

USER: Due to an emergency, I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, I am glad to help you. Please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that no reservation was found on your name to cancel.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for approaching us.