First of all, you don't want to interfere with the girl's work, this is the minimum respect. Waiting for her to get off work, you can politely speak to her, want to ask her to drink a cup of coffee or watch a movie, if she does not refuse you, then, your chance to come, you can ask for her WeChat, you will slowly chat, remember, do not be too anxious to disturb each other's normal life, you own slowly experience.