Hello.
user
Hello, how can I help you?
assistant
I am Donna Nelson want to change my reservation due to prepone of my meeting.
user
Sure, I will help you to change your reservation. Please wait for a moment.
assistant
Ok.
user
Thanks for waiting, there is no reservation found on your name.
assistant
Thanks for your help.
user
Thank you for reaching us, have a nice day.
assistant