The staff will helpfully attend to your needs...

工作人员会帮忙满足您的需求。

attend的意思为“随同，陪同”。

当attend是这种含义时，其多指下级陪同上级。

例子如下：

The President was attended by several members of his staff.

总统有几名幕僚随从。

attend和participate、join的区别

attend、participate和join都有“参加”的意思，它们区别如下：

attend多指出席会议、参加学术活动、听课等。