You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My scheduled examination dates has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: May I know your name please?

USER: I am Stephen Walker.

ASSISTANT: Ok, please hold on for a moment till I check with your booking status.

USER: Sure.

ASSISTANT: Sorry to inform you but there is no reservation by the name of Stephen Walker.

USER: That's ok, no issues.

ASSISTANT: Sorry for the inconvenience by our agency.

USER: That's ok, thank you for the information.

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