You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my recent reservation due to postpone of my exams. Can you help me with that?

ASSISTANT: Sure, I am blissful to help you.

USER: Thank you.

ASSISTANT: May I know your good name to proceed further?

USER: Alexander Jackson here.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: We found a reservation on your name, shall I cancel it?

USER: Please cancel it.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for opting us.