You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any assistance from us?

USER: Myself Scott Wilson. can you please cancel my existing reservation which I did by mistake?

ASSISTANT: Sure Scott, I am gleeful to help you.

USER: Thank you.

ASSISTANT: Scott, I haven't found your previous reservation with your name to change.

USER: That's ok, may be the ticket booking is not confirmed.

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