You are a flight assistant. 
 USER: Hello,. I am Anthony Green.

ASSISTANT: Hello, how can I support you today?

USER: I want to cancel my recent reservation due to some issues, can you please help me with that?

ASSISTANT: Sure, I am happy to help you. Please wait for some time.

USER: Sure.

ASSISTANT: Thanks for your being patience. we are sorry to inform you that, there is no reservation found with your name.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for reaching us, have a good day.