You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Myself Justin Lopez, can you help me today with cancelling?

ASSISTANT: Sure, I am happy to help you with cancelling your reservation.

USER: Ok, please check with my booking status and revert back to me.

ASSISTANT: Sure. Please wait a moment to check your reservation status.

USER: Oh! That's sad to know, thank you for checking anyways.

ASSISTANT: Sorry Justin Lopez, no reservation has found. Thank you for choosing us.

USER: No issues with it. Most welcome.