You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my reservation due to some health issues, so please help me to cancel my reservation.

ASSISTANT: Sure, may I know your name please?

USER: Thank you for accepting my request and my name is Carolyn Garcia.

ASSISTANT: Based on your name we found your reservation details. Should I proceed to cancel.

USER: Sure.

ASSISTANT: Your ticket has been successfully cancelled.

USER: Thank you.

ASSISTANT: Thank you for contacting us.