Professional Challenge: Asserting Your Needs

From all the elements that construct assertiveness I would select being decisive as my weakest side. I do not have problem with remaining calm or being persistent but I have difficult time when it comes to saying "no" to other people. Sometimes I even notice that others abuse my readiness to help and take advantage of me but it is quite problematic for me to refuse help and I especially have troubles when it comes to being decisive while dealing with my superiors. Therefore I selected activity number one from category Being Decisive.
Many times when I work with my customers I am interrupted by my managers or customer service with they requests. Most of their interruptions in my opinion should never take place and not only hold me back from my customers and makes my work more difficult but it also lowers quality of our service and irritate our customers who have to wait longer for sales person. …