You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Barbara Jackson.

ASSISTANT: Ok.

USER: I need to cancel my recent reservation, as my exam got cancelled. Please help me in cancelling?

ASSISTANT: Sure, I am here to help you. Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a reservation on your name.

USER: Ok, please cancel.

ASSISTANT: Sure, your ticket has been cancelled as per your request.

USER: Ok, thank you for your service.

ASSISTANT: Thank you for choosing us, have a good day.