event management plugin need with functionality GO or NOT

hi,
i need a event management plugin in which.
1- admin / users can add events.
2- at front there should be a button for Go / Not Go for users.
3- admin can see how much people are willing for Go
4- admin can see the name of that people who click for GO
example like face book event manager. at there a user can create event and and all of users can see who are going to attend this event.