Hi.
user
Hello, How can I serve you today?
assistant
Due to some changes in academic calendar, my exams were postponed. So, I need your help in changing an existing reservation.
user
Sure, I will help you, To proceed further I need your name?
assistant
My name is Nicholas Young.
user
Ok, Please wait for some time.
assistant
Sure.
user
Thank you for your time, There is no existing reservation found on your name.
assistant
Ok, Thanks for the information.
user
Thank you for approaching us, Have a nice day.
assistant