Yes? 有事吗? Can I help you? 有事吗? Sure. What is it? 可以,什么事? Any problems? 有什么问题吗? What's the matter? 怎么了? Of course. 当然。 No problem. 没问题/没关系。 Whose idea is it? 这是谁的主意? Yes, thank you. 好的,谢谢。 Yes, please. 是的,拜托您了。 Go ahead. 您请。 After you. 您先请。 My pleasure. 这是我的荣幸。 Why not? 当然。