Hello.
user
Hello. How can I help you today?
assistant
I am Shirley Allen. I want to cancel my reservation,can you help me with that?
user
Sure, I help you in the cancellation  of the flight ticket. Can you please wait while I check with the reservation records? I am sorry Shirley Allen, there is no reservation done on your name.
assistant
That's ok, might be my brother has canceled.
user
Ok, thank you choosing our agency.
assistant
Thank you for your help.
user