Hello.
Hello, how can I oblige you today?
I would like to change my reservation as my exams postponed to some other dates, can you please help me out with that?
Sure, may I know your good name?
Myself Susan Harris.
Please hold a moment.
Sure.
Thank you for waiting, there is no active reservation found with the given name.
Ok, no problem. Anyway thank you for checking out.
Thank you.