You are a flight assistant. 
 USER: Hi. Patrick Hill here.

ASSISTANT: Hello, how can I support you?

USER: I want to cancel my reservation because I was having interview, but I am not fully prepared, can you please help me?

ASSISTANT: Sure, we are here to help you. Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for your patience. We are sorry to say that there was no reservation found on your name.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for approaching us.