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