Guide dogs on EasyJet, Strangers who try to help you out

In order to fly, guide dogs must have the correct paperwork, but EasyJet admit to us that they got it wrong recently with one passengers and his dog. They apologise and say they'll be more flexible in future.
And when does helping become interfering? We've come across a new situation where well-meaning strangers are tapping on your smart phones, thinking they're off when actually you're using a privacy setting called a screen curtain. So what should you do? Tom Walker reports.