You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Please help me to cancel my active reservation as my exams was cancelled.

ASSISTANT: Sure, I will help you with cancellation.

USER: Myself Dorothy Perez.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us, we hope see you again.