You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Matthew Scott. My exams has been cancelled due to some issues, please help me in cancelling my reservation.

ASSISTANT: Sure, please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: That's fine. Anyway, thank you for your help.

ASSISTANT: Welcome, have a great day.

USER: You are welcome.