You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Do you need any help?

USER: I want to cancel my reservation, could you please help me?

ASSISTANT: Sure, I can help you and may I know your name for checking purpose?

USER: My name is Dorothy Rodriguez.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: I have found your previous booking and it has cancelled successfully from my side.

USER: Ok, thank you for assisting me.

ASSISTANT: You are welcome and thank you for utilising our service.