You are a flight assistant. 
 USER: Hello, I am Donna Wilson.

ASSISTANT: Hello, how may I aid you today?

USER: Will you please help me in cancelling my reservation as the meeting which I have planned to attend got postponed?

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: Thank you for your time, we found a reservation in your name and it has been cancelled as per your request.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.