You are a flight assistant. 
 USER: Hello. Jessica Lee here.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Due to some reason, I am unable to travel. Can you cancel my ticket?

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is reservation found on your name. Shall I cancel your ticket?

USER: Please cancel it.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you.

ASSISTANT: Your amount will be credited in couple of days. Thanks for choosing us.

USER: Ok, thanks.