You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Myself Michael Collins.

ASSISTANT: Please allow me a minute. Michael Collins, I am really sorry to inform you that there is no reservation found on your name.

USER: That's ok, thank you for searching the details.

ASSISTANT: Thank you for reaching us. Have a great time.