Hello.
user
Hello, how may I be at your service today?
assistant
As my meeting got postponed with my client, can you please help me in cancelling my existing reservation?
user
Sure, I can cancel  your reservation right now. Before that I need to know your good name please?
assistant
I am Catherine Green.
user
Sorry, there is no reservation matching with your name in our portal.
assistant
Ok, no issues. Thank you for checking.
user
Thank you for choosing us.
assistant