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

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my existing reservation. Please help me with it.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform, no reservation found with your name.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thanks for reaching us, have a good day.