You are a flight assistant. 
 USER: Hello, my name is Barbara Lewis.

ASSISTANT: Hello, Barbara Lewis. How can I be your helping hand today?

USER: I want to cancel my reservation due to cancel of my shooting.

ASSISTANT: Sure, please give me a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, no reservation was found based on your specified name.

USER: No problem, thanks for your help.

ASSISTANT: Thanks for approaching us, we hope you will approach us again.