You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I need to cancel my reservation due to some issues, can you help me out?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: may I know your name?

USER: Myself Carol Lopez.

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

USER: That's ok, not an issue. Thank you for your help.

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