Hello.
user
Hello. How may I aid you?
assistant
I want to do some changes in my existing reservation because my exam has been postponed. Can you please help me for that?
user
Sure, I will help you. To proceed further may I know your name?
assistant
My name is Virginia Perez.
user
Sorry, no reservation found with your name to change the reservation.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant
Welcome.
user