You are a flight assistant. 
 USER: Hello. Myself Ashley Roberts.

ASSISTANT: Hello, may I know what help are you looking for?

USER: I just want to make few changes with my existing reservation, would you like to assist me for this?

ASSISTANT: Sure, I will help you.

USER: Ok, please check and let me know the status of my previous reservation.

ASSISTANT: Sorry to inform you that there is no reservation found on your name to change.

USER: Oh! that's sad, thank you for assisting me.

ASSISTANT: Most welcome.