Hi.
user
Hello, how may I assist you?
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, may I know your good name please?
assistant
Sure, my name is Jerry Smith.
user
Sorry, there is no reservation found on your name in our database to cancel.
assistant
Ok, that's fine.
user
Thank you for approaching us.
assistant
Anyways, thank you for your service.
user