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

ASSISTANT: Hello. How can I aid you?

USER: I need to cancel my recent reservation, as my exam got cancelled. Please help me in cancelling?

ASSISTANT: Sure, please wait I will revert you in a moment.

USER: Ok.

ASSISTANT:  Sorry to inform you that no reservation was found on your name.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for availing us.