You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: May I know your name please?

USER: Yes, my name is Justin Campbell.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: That's fine, thank you for the response.

ASSISTANT: Thank you for reaching us, have a great day.