Cancel,accepts,declines Using buddylist / Invite

i need to send a request to my friends by using # Invite your friends and colleagues in that message i need the following link ..! How can i achieve this result is there any module is there except invite then please help me.?

* Request to add UserX to your buddylist (with a personal message)
* Cancel your request to UserX
* UserX accepts your request
* UserX declines your request