Hello,. I am Patrick Edwards.
Hello, What kind of help are you expecting from our side?
 Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?
Sure, I can change your reservation right now.
Thank you.
Please wait for a while, so that I can check the reservation list and revert to you.
Sure.
Sorry to inform that there is no active reservation found on your name.
Ok, no issues. Thanks for the information.
Thanks for consulting us, have a good day.