Hello, I am Gregory Harris.
user
Hello, how can I assist you?
assistant
I want to change my existing reservation, due to my last exams has been postponed. Can you help me with that?
user
Sure, I am happy to help you. Please be on hold.
assistant
Sure.
user
Thank you for your time, There was no reservation found on your name.
assistant
That's Ok, thanks for your information.
user
Thank you for choosing us.
assistant