Hello.
Hello. How may I assist you?
My name is Samantha Moore. I would like to change my recent reservation  where my exams got postponed.
Sure, I am here to help you out. Wait a moment please.
Sure, take your time.
Samantha Moore, we haven't found any reservation under your name in our database.
No issue. Thank you for the information provided by you.
Thank you for choosing us.