You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Kenneth Lopez.

ASSISTANT: Kenneth, how can I help you?

USER: Can you please help me to cancel my recent reservation?

ASSISTANT: Sure, hold on for a moment.

USER: Ok.

ASSISTANT: Sorry Kenneth, there is no reservation found on your requested name.

USER: Ok, fine.Thank you for your information.

ASSISTANT: Thank you.