what a rude call centre agent

i was called in by a consultant called nokukhanya sokwe who was not clear of nature of call because i thought she wanted me to pay again as i had already paid, she was rude about it and when i asked for her name again she asked me what do i want it for because she had told me in the beginning of call,please advise are consultants suppose to be so rude to clients,is that what they are thought during their training, are they suppose to argue with clients,i was upset because as far as i an concerned a client is always right no matter what, u do not back chat clients, i was very upset