Just text back with a good morning/good afternoon and how are you and if you get a response then ask would she like to have a coffee/drink…that way at least you will know for sure if she wants to see you again. At the moment you don’t seem to be getting over her, asking to meet up she’ll say yes or no, if it’s no at least you can move on. Texting is too hard for a proper chat, you need to speak properly face to face or at least a phone call.