You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you.

USER: I want to cancel my reservation as I cannot travel because I got exam. Can you please do that for me?

ASSISTANT: Sure, I am here to help you out. Please provide me your name.

USER: Thank you, my name is Katherine Phillips.

ASSISTANT: Sorry, there is no active reservation on your name.

USER: Not an issue, anyway thank you once again for the information.

ASSISTANT: Thank you for reaching us.