You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kevin Lee.

ASSISTANT: How can I aid you?

USER: Can you help me in canceling my reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation on your name.

USER: Its ok, thank you.

ASSISTANT: Thank you.