You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I need to cancel my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, I am here to help you out. Please provide me your name.

USER: Thank you for considering my request and my name is Deborah King.

ASSISTANT: Sorry, there is no reservation on your name in our database.

USER: Not a big problem, anyway thank you for the information.

ASSISTANT: Deborah King, thank you for reaching us.