You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Cynthia Baker.

ASSISTANT: How can I help you at this moment?

USER: Can you cancel my recent reservation?

ASSISTANT: Ok, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for approaching us.