You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to cancel my previous flight ticket booking due to some health issues, can you please help me with that one?

ASSISTANT: Sure, we are here to help you.

USER: Thank you for accepting my request.

ASSISTANT: May I know your good name please?

USER: My name is Daniel Harris.

ASSISTANT: Please wait a minute.

USER: Sure, I can wait for your response.

ASSISTANT: We found a reservation on your name and it has been cancelled successfully.

USER: Thank you for cancelling my flight ticket booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.