Hello,.
user
Hello.
assistant
I am Stephanie Hill.
user
 How can I assist you?
assistant
I have planned to consult a doctor for monthly check up due to an emergency operation his scheduled has been change, so my appointment has been cancelled.
user
Sure, please wait I will revert you in a moment.
assistant
Sure.
user
 Sorry, no reservation  was found on your name provided.
assistant
Ok, thanks for informing me.
user
 Thank you for availing us.
assistant