Hi.
Hello, how can I aid you?
I want to change my existing reservation due to postpone of my meeting. Can you aid me?
Sure, Can you help me with your good name please?
Mark Harris is my name.
Please wait a while. I will check and get back to you.
OK.
Unfortunately we didn't found any reservation matching your name.
Ok, no problem. Thank you for your response.
Thank you for reaching us.