Hi.
Hello, how may I assist you?
Could you please change my existing reservation due to postpone of my exams?
Sure, I am willing to help you for this. May I know your name please?
My name is Michael Lee.
Just a moment, let me check your reservation status in our database.
Sure.
Sorry to inform you, no reservation is found under your name to change.
Not a problem, thank you for the information.
Thank you very much for approaching our agency.