You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you today?

USER: Larry Parker here. Can you cancel my flight ticket reservation?

ASSISTANT: Sure, I will be helping you with cancelling your ticket.

USER: Ok.

ASSISTANT: Please allow me to check with your previous booking for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you, there is no active reservation found by your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching our assistance.