You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Sandra Davis. My exams has been cancelled due to some issues, can you cancel my reservation?

ASSISTANT: Sure, I am gleeful to help you out. Please allow me a moment. Sorry Davis, there is no active reservation on your name.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.