You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Susan Smith here.

ASSISTANT: Is there any help that you need from my side?

USER: I want to cancel my ticket as I am sick.

ASSISTANT: Sure, we are here to help you. Please be on hold for a moment to check your previous reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, I regret to inform you that there is no reservation found based on your name to help you in cancellation process.

USER: No problem, thank you for the information.

ASSISTANT: You are most welcome and have a nice day.