You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Justin Thomas.

ASSISTANT: How may I assist you Justin?

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

ASSISTANT: Sure, I will help you.

USER: Ok, thank you.

ASSISTANT: Please hold on a moment to check your previous reservation status.

USER: Sure.

ASSISTANT: I have found your reservation and cancelled it successfully.

USER: Ok, thank you for your services.

ASSISTANT: Thank you for reaching us, have a great day.