Hello. Jonathan Miller here.
user
Hello, how may I assist you?
assistant
I met with an accident, so I can't able to take the flight. Can you cancel my reservation.
user
Oh! that's sad to hear. Ok, wait for a minute.
assistant
Ok.
user
Sorry  Miller, no reservation found on your name.
assistant
It's fine. Thank you for your help.
user
Thank you for contacting us.
assistant