You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you for the day?

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

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT: Can you please share your name to check your reservation status?

USER: Nicole Evans.

ASSISTANT: Ok, please give me a moment.

USER: Ok.

ASSISTANT: We found an active reservation on your name, shall I proceed to cancel?

USER: Please proceed.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.