Hi.
Hello, how may I be at your service 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?
May I know your name please to check the status of your reservation?
I am Nancy Anderson.
Thank you. Please stay online for a while, I will check your reservation status and let you know.
Sure.
Sorry, there is no reservation matching with your name in our portal to make changes further.
 Not a problem, thank you for the information.
Thank you for reaching us.