Hello.
Hello. How can I aid you today?
Due to sudden change in my exam dates I need to change my existing reservation.
Sure, I am here to help you.
Thank you.
Could you please provide your name for checking?
I am Dennis Davis.
Please wait for a while.
Sure.
Sorry Dennis Davis, no reservation found on your name in our records.
No problem.
Thank you for approaching us, have a nice day.