You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER:  I would like to cancel my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, may I know your good name?

USER: Paul King here.

ASSISTANT: We found a reservation on your name, shall I proceed?

USER: Please proceed.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.