Answer:
an uninformed sales rep.
Step-by-step explanation:
The phrase 'I don't know 'is forbidden in the customer service language. It implies that the customer service agent lacks knowledge or basic training to perform his or her duties. The expression reflects poorly on the agent and the employer.
Customers expect service agents to know most, if not everything, about their organization's products and services. That's the reason they seek support from the service department