Hello, I am Virginia Thompson.
user
Hello. How may I help you today?
assistant
Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you please help me in changing the reservation?
user
Sure, please wait I will revert you in a moment.
assistant
Ok.
user
 Sorry to notify you that no reservation was found on your name.
assistant
No problem, thanks for your information.
user
Thank you for availing us.
assistant