Hello, I am William Wright.
Hello, how can I aid you?
Due to prepone of my exams, I want to change my existing reservation. Could you please help me with doing this?
Sure, I will help you in this. Please be on hold let me check and revert to you with the information.
Ok.
Thank you for being waiting. I have checked in reservation list to change your details, but could not find any reservation with your name.
No problem, thank you for your information.
Thank you for reaching us. Have a great day.