Hello.
user
Hello. How can I help you?
assistant
I am very happy to change my existing reservation because my examination was postponed, now I have much time to prepare for the exam.So please help me in modifying my recent reservation.
user
Sure, please provide your good name.
assistant
Raymond Allen here.
user
Ok. Allen, no reservation is matching with your credentials.
assistant
It's not a problem. Thanks for checking.
user
Thank you for approaching us.
assistant