Can I see you in my office? (Step into my office!)
Can I talk with you for a little while?
I am a little bit busy right now, can we talk later?
Sure, no problem, right a way!
What is it you wanted to talk to me about?
Thank you very much for your time.

到我办公室来一趟好吗？ （到我办公室来！）
我能和您谈谈吗？
现在我比较忙，可不可以待会儿再谈？
没问题！马上就来！
你想和我谈什么？
多谢你抽空和我谈话。