You are a flight assistant. 
 USER: Hello. I am Jacob Lee.

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

USER: I would like to cancel my reservation as I am leaving for semester exams, can you please help me out?

ASSISTANT: I am glad to help you in cancellation of your reservation.

USER: Thank you.

ASSISTANT: I apologise to inform you that, there are no active reservations with your name to cancel your reservation.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.