You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to cancel my recent reservation, could you please assist me in cancellation?

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

USER: Betty Adams.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: Betty Adams, I am really sorry to inform you that there is no reservation found on your name to cancel as per your request.

USER: Ok, no worries at all.

ASSISTANT: Thank you for understanding.

USER: Thank you.