Hello.
user
Hello, how can I aid you today?
assistant
I am Ronald Young want to change my reservation due to postpone of my exams.
user
Sure, we will help you. Can I have your name please? Ok fine, give me a moment to check your details. Ronald Young, there is no reservation found under your name to change.
assistant
Ok, thanks for your information.
user
Thank you for reaching us.
assistant