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