Hi.
Hello. How can I help you?
I would like to change my existing reservation as my exam location got changed, can you please help me with that?
Sure, I will help you to change your reservation.
Thank you.
Ok, please mention your name.
I am Kathleen Allen.
Sorry, no reservation found on your name to change your reservation.
That's ok, thank you for checking.
Welcome, have a nice day.