需要酒店回答一下下面的三选一的问题,用英文,回答一个最简单的吧

i will answer the question regarding concierge.
The main duties of being a concierge are to greet the customers,help with their luagge,answer their inquiries like something about the location.
In terms of the required qualities a concierge should have,there are many.
1.Passionate with his/her work
2.Voluntary to help
3.Abundant Knowledge about the local places
4.Intersted in solving problems