Hello.
user
Hello, how can I help you today?
assistant
I want to change my existing reservation, due to my exams has been postponed.
user
Sure, I am glad to help you.
assistant
Thanks for accepting my request.
user
May I know your good name to proceed further?
assistant
Sure, my name is Jessica Jackson.
user
There is no reservation found on your name in our database to change it.
assistant
That's Ok, thanks for your service.
user
Thank you for availing us.
assistant