You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I have to cancel my flight ticket, can you help me?

ASSISTANT: Ok, can you please provide your name for checking is there any existing reservation?

USER: Ok, my name is Jason Brown.

ASSISTANT: Sorry Jason, I have found active reservation under your name and as per your interest I have cancelled it.

USER: Ok, thank you for assisting me.

ASSISTANT: My pleasure, thank you for reaching out here. Hope you have a nice day.