I sell clothes. I want to pay a return visit to my customers. How to write short messages?

The content can be: Hello, where am I from? Did you buy my clothes on xxxx? Does it suit you? Is there a problem? I can help you solve it. If you dress well, remember to let me serve you next time. The words "simple, polite, comprehensive, good service and simple" are of great significance and I hope to adopt them.