Hi.
user
Hello, how can I help you?
assistant
I need to change my existing reservation as my exams got postponed, Can you please help me with that?
user
Sure, I am here to help you. May I know your name?
assistant
Gregory Nelson here.
user
There is no reservation found with your name.
assistant
No problem, thanks for the information.
user
Thank you for opting us.
assistant