Hello.
Hello. How may I guide you?
Will you please help me with cancelling my reservation? As my planned trip got cancelled.
Sure, I will definitely help you. Can I know your name?
Thank you. Myself Amy Wright.
Sorry to inform you that, there is no reservation found  with your name to cancel the ticket.
It's ok, no problem. Anyway, thank you for your time.
You are welcome. Have a nice day.