Hi, I am Samuel Campbell.
Hello, how can I serve you?
I just want to change an existing reservation due to my exams got post pone. Can you help me in change an existing reservation?
Sure, please wait a while. I will check and get back to you.
Ok.
Thank you for your time. Unfortunately there is no reservation found with your name.
That's ok, thanks for your information.
Thank you for consulting us.