Hi.
Hello, how may 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?
ure, I am here to help you. Can you please let me know your good name?
I am Donald Perez.
 Sorry, we did not find any active reservation on your name in our records.
No problem, thanks for the information.
Thank you for choosing us.