Hello, Margaret Perez here.
user
Hello, how can I guide you?
assistant
I planned to attend for my university exams but suddenly my exams have postponed. Can you please help me to change my existing reservation?
user
Sure, I will help you. Please wait for a while.
assistant
Sure.
user
Sorry, there is no reservation with your name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you.
assistant