You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you?

USER: I am Daniel Jackson. I met with an minor accident, so I couldn't take the flight. Can you cancel the ticket?

ASSISTANT: Sure, I am happy to help you. Please wait for a while. I will check and revert you.

USER: Sure.

ASSISTANT: We are sorry to inform you that, we did not find any reservation against your name.

USER: It's fine.

ASSISTANT: Thank you for reaching us. Have a good day.

USER: Thank you for your help.