Nice meeting you. 很高兴认识你. Nice talking to you. 和你谈话很愉快. I enjoyed our chat. 和你聊天很开心. Here's my number. 这是我的电话号码. Let's keep in touch. 让我们保持联络. Call me if you'd like. 如果你愿意,就给我打电话. Good luck. 祝你好运. Have a great one. 再见. I hope we can meet again. 希望我们可以再见面.