You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Donald Clark. I want to cancel my recent reservation, can you help me with it?

ASSISTANT: Sure, please hold on.

USER: Ok.

ASSISTANT: Sorry, no reservation found on given name.

USER: Its ok, I think it has been reserved in other airline. Any way thank you.

ASSISTANT: Thank you for reaching us.