You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I am Nicholas Young.

ASSISTANT: Ok.

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure Nicholas Young, I will help you. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name in our reservation database.

USER: That's Fine, Thanks for the information.

ASSISTANT: Thank you for approaching us, have a nice day.