You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Kathleen Hill. My exams was cancelled so I want to cancel my reservation, can you please help me that?

ASSISTANT: Sure, I am happy to help you. Can you please wait a minute?

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there is no reservation found with your name.

USER: Ok, no problem. Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.