You are a flight assistant. 
 USER: Hello. I am Patrick Moore.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Ok.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

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

ASSISTANT: Welcome, have a nice day.