hello, I am Richard White.
user
Hello, how can I assist you today?
assistant
I want to alter my reservation, as my appointment with my doctor got postponed. Could you help me in changing?
user
Sure, I am happy to help you. Please wait for a while.
assistant
Ok.
user
Thanks for your patience. There is no reservation found on your given name.
assistant
Ok, no issues.Thanks for your service.
user
Thanks for choosing us.
assistant