Hello.
Hello. How can I assist you at this moment?
Due to inconvenience of my work, I want to change my reservation. Can you please help me for that?
Sure, I am happy to help you with that.
Thanks for that.
Can I have your good name please to check your reservation status?
My name is Jerry Brown.
Ok, please wait a moment.
Ok.
Sorry Jerry Brown, no reservation has found under your name to change.
Anyway, thanks for the information.
Thank you for choosing us, have  a good day.