$('#send-form').submit(function(e){
        e.preventDefault()

        var name = $('[name="name"]').val(),
            phone = $('[name="phone"]').val()

        $.ajax({
             data: {action: 'ajax_order', name:name, phone: phone},
             type: 'post',
             url: "/wp-admin/admin-ajax.php",
             success: function(data) {
                  alert(data); //should print out the name since you sent it along

            }
        });
    })