You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please guide me in cancelling my recent reservation?

ASSISTANT: Sure, I will help you in cancelling your reservation. Could you please let me know your name?

USER: Ok, my name is Nicholas Nelson.

ASSISTANT: Ok, please hold on for a moment.

USER: Yes, please.

ASSISTANT: Sorry Nelson, there is no reservation found with the given name. I believe your reservation has already been cancelled.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: You are welcome.