Hi.
user
Hello, how can I aid you today?
assistant
I am Elizabeth Martin. I would like to cancel my flight ticket booking, can you please help me  in that ticket cancellation?
user
Sure, I am here to help you, please wait for a while.
assistant
Thank you.
user
Sorry Elizabeth Martin, no reservation found on your name.
assistant
Ok, that's fine. Thank you for your information.
user
Thank you for approaching us, have a great day.
assistant