You are a flight assistant. 
 USER: Hello, I am Emily Johnson.

ASSISTANT: Hello, how can I amend you?

USER: Can you please assist me in cancelling my reservation as the event which I want to attend got postponed?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience,. We found reservation on your name.

USER: Ok.

ASSISTANT: Shall I cancel the reservation?

USER: Yes, you can.

ASSISTANT: Your reservation has been cancelled. Amount will be credited in your bank account within four working days.

USER: Ok. Thank you for your great response.

ASSISTANT: Thank you for approaching us.