You are a flight assistant. 
 USER: Hi. Scott Lewis here.

ASSISTANT: Hello. How may I assist you?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, I am here to help you out.

USER: Ok.

ASSISTANT: Scott Lewis, we regret to inform you that there is no reservation found on your name in our records.

USER: That is not a problem. Thank you.

ASSISTANT: Thank you for approaching us.