You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Is there any help that you need from our agency?

USER: Yes, I need your help in cancelling my recent reservation due to postpone of my exams. Will you help me in that?

ASSISTANT: Sure, I can help you in that.

USER: Thanks.

ASSISTANT: May I know your good name to track the details from our database?

USER: Myself Rachel Mitchell.

ASSISTANT: Ok, just for a few minutes.

USER: Sure.

ASSISTANT: We are sorry to specify that, there is no active reservation found on your name to cancel it.

USER: No problem, thank you.

ASSISTANT: Thanks for consulting us, wish you a great day.