You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my recent reservation. Could you help me?

ASSISTANT: Sure, I am here to help you out. May I know your name to check your reservation status?

USER: Joseph Martin here.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.