You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Amy Lopez.

ASSISTANT: How may I assist you at this moment?

USER: I would like to cancel my recent reservation, please help me out.

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

USER: Thank you.

ASSISTANT: Please wait a moment to check your previous reservation.

USER: Sure, take your time.

ASSISTANT: We regret to inform you that, there is no reservation on your name in our records.

USER: Ok, no problem.Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.