Hello.
Hello, how can I help you today?
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 am here to help you. May I know your name?
I am Samuel Taylor.
Please wait for a moment.
Sure.
Sorry, we found no reservation on your given name.
Not a problem, thank you for the information.
Thank you for reaching us.