Answer:
You must start your proposal with the disadvantages or unnecessary costs generated by your current ticket tracking system. This way you will be recognizing the problem, which is the first step in the buying decision process.
E.g. Our current ticket tracking system is costing the company $500 in extra labor costs (or some other type of cost). Our current ticket tracking system is lowering the company's productivity and efficiency, and lost revenue is approximately $2,000 per week.