You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation, can you help me?

ASSISTANT: Sure, can I know your name please?

USER: Myself Nicholas King.

ASSISTANT: Sure, please wait a while.

USER: Sure, I will wait.

ASSISTANT: Sorry King, there is no reservation found on your name.

USER: Its ok no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for helping me.