Hello.
user
Hello. How may I aid you today?
assistant
I want to change my reservation, because my exam have been postponed, can you help me in changing?
user
Sure, I will help you. Please, forward me your name to check your reservation status.
assistant
My name is Donald Baker.
user
Ok, please wait for a while.
assistant
Sure, take your time.
user
Sorry, there is no active reservation found on your name in our database.
assistant
That's ok, thank you for your information.
user
Thank you for choosing us, have a good day.
assistant