Hello.
user
Hello. How can I help you at this moment?
assistant
I am Nicholas Walker. I want to cancel my flight ticket, due to some problems I am unable to travel so can please cancel my flight ticket?
user
Sure, I will help you to cancel your reservation.
assistant
Thank you for accepting my request.
user
I found your previous reservation and your ticket is successfully cancelled.
assistant
Thank you for your help.
user
Welcome, have a nice day.
assistant