Hi, I am Dennis White.
user
Hello, how can I aid you?
assistant
I thought of meeting my childhood friend but, due to some personal issue it got postponed, Can you help me in changing my existing reservation?
user
Sure, please wait for a moment I will check and revert you.
assistant
OK,.
user
Sorry for the inconvenience, there were no reservation found on your name.
assistant
Fine, Thank you.
user
Thank you for contacting us, have a great day.
assistant