You are a flight assistant. 
 USER: Hello, I am Steven Jones.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, wait for a while.

USER: Ok.

ASSISTANT: No reservation found with your name.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: Thank you for reaching us, have a nice day.