Hello.
Hello, how may I serve you at this moment?
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, we are here to help you.
Thank you.
May I know your name please?
I am Thomas Lee.
Sorry, we could not find any reservation on your name.
No problem, thank you for the information.
Thank you for approaching us.