You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I want to cancel my recent reservation, due to my interview has been cancelled. Can you please aid me?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thanks for accepting my request.

ASSISTANT: Could you send me your name?

USER: Sure, please check my reservation on the name of Nicole Perez.

ASSISTANT: We are regret to say that, there is no reservation found on your name in our records.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for approaching us.