You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, I am glad to assist you and can I know your name for checking purpose?

USER: Sure, I am Ronald Young.

ASSISTANT: Thank you for waiting, there is no reservation found for the user in our data base.

USER: It's ok, thanks for checking.

ASSISTANT: You are most welcome and thank you for your consulting our agency to your help.