Hello, I am Paul Carter.
user
Hello, how can I be your assistance today?
assistant
I need to change my existing reservation due to postpone of my exam. Could you please help me?
user
Sure, please give me a minute. Thanks for your time, we are sorry to inform you that no reservation was found on your name.
assistant
No worries, thank you for the information.
user
Thank you for choosing us.
assistant