You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Wilson.

ASSISTANT: How can I assist you at this moment?

USER: I need your help in cancelling my reservation as I am unwell, could you please help me?

ASSISTANT: Sure, I will help you with this. Please be on hold for a moment.

USER: Sure.

ASSISTANT: Donna Wilson, I have found your reservation and cancelled it successfully.

USER: Thank you very much for your help.

ASSISTANT: Thank you for contacting us.