You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for today?

USER: Debra Hill here. Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Yes, I can help you. Sorry to inform you that there is no reservation found on your name.

USER: Anyway, thanks for the information.

ASSISTANT: That's ok. Anyways, thank you for your help.