Hello.
Hello. How can I help you for  the day?
I want to change my reservation due to postponed of my exam, so please help me in changing.
Sure, I am here to help you with that reservation change.
Thank you.
May I know your name to proceed further?
Sure, I am Sarah Rodriguez from Austin.
Sorry to say that, there is no active reservation found with your name in our database to change it.
No issues, thank you.
Thank you for reaching us, have a great day.