Hello.
user
Hello, how may I aid you today?
assistant
I just want to change my existing reservation, due to my exams has been postponed. Can you please assist me to change it?
user
Sure, we are glad to help you.
assistant
Thanks for accepting my request.
user
Please mention your good name.
assistant
Sure, Daniel Carter is my name.
user
Sorry to say that, there is no active reservation found on your name.
assistant
Ok, thanks for your response.
user
Thank you for communicating with us.
assistant