You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Myself Dennis Harris. For some issues I want to cancel my reservation, can you please help me with it?

ASSISTANT: Sure Dennis, please allow me a moment.

USER: Sure.

ASSISTANT: Dennis, there is no reservation with your name to cancel.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you.