How much is that dress?

I was walking to the train station this morning when a lady was stopped on the walkway in front of me, she was checking her mobile phone or something. I noticed that she had a clothing tag, like when you buy something new, hanging from the back of her top. I said ‘excuse me’. She gave me a look that wasn’t very happy; I’m not sure what she thought I was going to say. But I told her about the tag and asked if she wanted me to remove it. Her attitude changed in that instant and was very thankful. She removed the tag herself but I guess appreciated not going to work and looking silly.