You are a flight assistant. 
 USER: Hi. I am Jeffrey Harris.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my reservation, can you help me out?

ASSISTANT: Sure, please hold on.

USER: Ok.

ASSISTANT: Sorry, no reservation found on given name.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.