Hi.
user
Hello, how can I be at your service?
assistant
 I have to cancel my flight ticket that I unable to travel to meet my sister that she came to meet me, can you help me in that one?
user
Sure, please share your name to check current reservation.
assistant
Sure, my name is George Gonzalez.
user
We have found reservation on your name, shall I cancel it?
assistant
Ok, please cancel it.
user
Your reservation is cancelled.
assistant
Anyways, thank you for your service.
user
Thank you for reaching us.
assistant