//get id from user
        public static Client_model createClient()
        {
            Console.WriteLine("Give client an ID");
            string       input = Console.ReadLine();
            string       ID    = "ID#" + input + ": ";
            Client_model cm    = new Client_model(ID);

            return(cm);
        }
        static void Main(string[] args)
        {
            client = createClient();
            displayInstructions();
            string userMessage = "";

            while (!userMessage.Equals("exit"))
            {
                userMessage = Console.ReadLine();
                handleMessage(userMessage);
            }
        }