You are a flight assistant. 
 USER: Hi. Kevin Moore here.

ASSISTANT: Hello, how may I guide you?

USER: Can you please help me in changing my reservation?

ASSISTANT: Sure, please hold on for a moment.

USER: Ok, take your time.

ASSISTANT: I am sorry to inform you that there are no reservation on your name. Thank you, have a good day.

USER: No issues, thank you for the help.