You are a flight assistant. 
 USER: Hello. I am Catherine Turner.

ASSISTANT: Hello, how may I abet you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, I am gleeful to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that, there are no reservation found on your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.