You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you.

USER: Unfortunately my exams was cancelled so I want to cancel my reservation, can you please help me that?

ASSISTANT: Sure, I will help you. May I know your name?

USER: Myself Richard Wilson.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for availing us.

USER: Thank you for your better service.