You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Suddenly, my exam date is cancelled and not rescheduled because in that location some crisis are going on.

ASSISTANT: Sure. May I have your name please?

USER: Can you cancel my reservation? Please, check the previous reservation on Ruth Young.

ASSISTANT: Yes, please hold on for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting patiently. I have searched with your name and there is no previous reservation with our airline.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Ok. Thanks for approaching us.