Hi.
user
Hello. How can I assist you at this moment?
assistant
Christopher Scott here. Can you cancel my flight ticket reservation?
user
Sure, I am happy to help you with that. Please be hold on for a moment.
assistant
Sure.
user
Sorry Christopher Scott, no reservation has found under your name to cancel.
assistant
Not a problem. Thank you.
user
Most welcome. Thank you for choosing us, have  a great day.
assistant