There are two kinds of dialog boxes – The first kind of dialogue boxes contain messages the serve as alerts, and users do not and cannot enter any responses to the same.
The second kind of dialog boxes, contain a conversation like message with a text entry box where users can write down their responses. Companies today prefer to design their computers to be as interactive as possible I order to give the users a perception of a human to human conversation. The dialog box is the solution that is currently in practise, and will remain so for the foreseeable future.
Example of usage – “When she tried to open a new software on the computer, she saw a dialog box, asking her to enter the serial number of the product.”