Hi.
Hello.
I am George Allen.
How can I help you today?
I want to change my existing reservation due to postpone of my exams, so can you please help me with this?
Sure, I am gleeful to help you to change your reservation. Please wait a moment.
Sure.
Sorry, no reservation found on your name to change your reservation.
No problem, thank you for your information.
Thank you for reaching us, have a nice day.