You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I oblige you now?

USER: I am Margaret White.

ASSISTANT: Thanks for providing your name.

USER: I need to cancel my reservation due to health issues. Can you please help me with cancellation?

ASSISTANT: Sure, that is what I am here. Please wait for a while.

USER: Sure.

ASSISTANT: We are glad to inform that there is a reservation found on your name. Shall I proceed for cancellation?

USER: Please cancel my ticket.

ASSISTANT: Your ticket has been cancelled.

USER: Thanks for your help in cancelling my ticket.

ASSISTANT: Thanks for availing us, have a nice day.