Hi.
Hello, how can I help you?
I am James Mitchell.
Ok.
 Due to sudden change in my trip to another location, I would like to change my reservation. Can you please help me out?
Sure, I am here to help you. Please stand by.
Ok.
Thank you for waiting. Sorry to say no reservation found on your name.
Ok, no issues.
Thank you for reaching us, have a nice day.