You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I best aid you today?

USER: I need ti cancel my reservation as my meeting got cancelled, can you please help me out in cancellation?

ASSISTANT: Sure, I can help you in that cancellation.

USER: Thank you.

ASSISTANT: Before that I need to know your good name to track the details, Can you please provide me?

USER: Please check the reservation on the name of  Jack Clark.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: We are sorry to notify that, there is no active reservation found on your name.

USER: No problem, may be my brother have cancelled it. Any ways, thank you for your effort.

ASSISTANT: Thanks for reaching us, wish you a nice day.