Hello.
user
Hello. How can I assist you?
assistant
My name is Janet Collins. I met with an accident, so I can't take the flight. Can you please help me in cancelling my reservation?
user
 Sure Collins, wait a moment, I will cancel your reservation.
assistant
Ok.
user
Collins there is no reservation found for you.
assistant
Ok, thank you for your time.
user
Welcome, thank you for choosing us.
assistant