Hello.
Hello, how may I help you today?
Due to some disturbances in my office, I would like to change my existing reservation. Please help me out.
Sure, I am here to help you with this.
Thank you.
May I know your name please?
My name is Donna Brown.
Please wait for a mean while.
Sure.
Sorry Donna, there is no reservation found under your name to change it.
Ok, no problem. Thank you for your information.
You are welcome.