Hello.
user
Hello, how can I be your helping hand today?
assistant
I am William White. I want to change my reservation due prepone of my interview.
user
Sure, we are here to help you to change it. Please wait for a while.
assistant
Sure.
user
Thanks for your time, there was no reservation found on your name.
assistant
Ok, thank you.
user
Thank you for reaching us.
assistant