You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Joseph Lewis. I would like to cancel my reservation as I am leaving for delegates meet, can you please help me out?

ASSISTANT: Sure, I will help you in cancelling.

USER: Thank you.

ASSISTANT: Please allow me a moment to check for the previous reservation status.

USER: Sure.

ASSISTANT: Lewis, I have found your reservation and I have cancelled it successfully.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.