You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, can I know your name to check your details?

USER: Edward Lopez here.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: Anyway, thanks for the information.

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