Hi.
Hello.
This is Anthony Smith.
How can I help you?
I want to change my recent reservation as my exams got postponed, can you please help me with that?
Sure, I will help you to change your reservation.
Thank you.
Please allow me a moment.
Sure.
Sorry, no reservation found on your name to change your reservation.
That's ok, thank you for checking.
Welcome, have a nice day.