Hello.
user
Hello. How can I help you today?
assistant
I just want to change my existing reservation, due to my exams has been postponed. Can you please help me?
user
Sure, I am very happy to help you with that. Can I know your name to check your recent reservation.
assistant
Sure, please check my reservation on the name of Rebecca Nelson.
user
Sorry, no reservation is found on your name in our database.
assistant
Ok, thanks for your information.
user
Thank you for opting us.
assistant