You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I am Patricia Nelson.

ASSISTANT: Ok.

USER: Due to some issues I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, I am here to assist you. No reservation is existed on your name to proceed further.

USER: Ok, no problem.

ASSISTANT: Thanks for availing us, Have a nice day.

USER: Thanks for your information.