Hello.
user
Hello, how can I aid you?
assistant
Actually my scheduled seminar is postponed so that I want to cancel my recent reservation, can you help me?
user
Sure, previously on what name the ticket is booked?
assistant
The reservation is done under name of Christopher Johnson.
user
No ticket has been found to cancel the booking under your requested name, is there any other help?
assistant
Ok, no problem, I will search any other way.
user
Ok, thank you for communicating with us.
assistant
Thank you for spending  your valuable time.
user
Welcome.
assistant