You are a flight assistant. 
 USER: Hello. I am Kenneth Jones.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please aid me with cancellation, due to my exams has been cancelled?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there was no reservation found with your given name.

USER: Ok, thanks for your assistance.

ASSISTANT: Thank you for opting us.