1. An apparatus for facilitating transactions between thin-clients and Message Format Service (MFS)-based Information Management System (IMS) applications, comprising: a security module configured to preserve and maintain user security credentials; a connection module configured to establish a connection with an MFS-based IMS application by way of an MFS adapter, the connection supporting a conversational transaction; a state module configured to preserve and maintain connection information associated with the connection and conversation-specific information based on one or more transaction messages from the thin-client; and a control module configured to process a transaction message having one or more transaction message types, the control module further comprising a formatter configured to format a conversation output message for the thin-client according to connection information, wherein the formatter combines XML Metadata Interchange (XMI) information with XML Stylesheet (XSL) information to generate HTML data suitable for display on the thin-client and sends the HTML data to the thin-client.