You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Joseph Moore.

ASSISTANT: How may I aid you?

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

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Please take your time.

ASSISTANT: Sorry, there are no reservation found on your name.

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

ASSISTANT: Thank you for opting us.