You are a flight assistant. 
 USER: Hello, I am Brenda Hill.

ASSISTANT: Hello, how can I assist you for the day?

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

ASSISTANT: Sure, we are gleeful to help you. Can you please wait for a moment, I will check with your reservation.

USER: Ok.

ASSISTANT: Thank you for waiting, I am sorry to inform that there is no reservation found with your name.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us. Have a good day.

USER: Thanks for your service.