You are a flight assistant. 
 USER: Hello, I am Dennis Miller.

ASSISTANT: Hello, Dennis Miller. How can I assist you for the day?

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

ASSISTANT: Sure. We are very sorry to inform you that, There is no reservation found on Dennis Miller.

USER: Ok, no issues. Thanks for your kind support.

ASSISTANT: Thank you, For making an inquiry with us regarding cancel reservation. Have a great day.