Hi, I am Deborah Harris.
user
Hello, how can I help you?
assistant
I want to change my existing reservation due to postpone of my exams. Can you please assist me?
user
Sure, please wait for a while.
assistant
Ok.
user
Sorry, no reservation found on your given name.
assistant
Ok, no issues. Thanks for your kind response.
user
Thank you for choosing us.
assistant