Hi.
Hello, how may I aid you?
Actually, I need change my existing reservation which is done recently due to health issue, can you please help me out/.
Sure, may I know your name?
Sure, my name is Nicholas Harris here.
Please wait for a while.
Sure, I will wait.
Sorry Nicholas Harris, no reservation is available by your name.
Ok, not an issue. Thank you for your information.
Thank you for choosing us.