You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, in what way shall I help you out?

USER: I am Donna Rodriguez. Can you please help me to cancel my reservation?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: We did not find any reservation on your name to cancel.

USER: Ok, no problem.

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

USER: Thank you.