the call centre does not folllow procedure

i bought goods cash at home choice in dec 2014.now since beggining of the year the call centre has been harassing and disturbing me with calls every day about me qualifiying to purchase at home choice i have said for a number of times that i am not intrested but the still call me once or twice a day until recently one of the agents told me i qualify for their special i asked her to continue with application minutes after she told me i dont qualify the following day i got a call from another agent from same number told me same story i feel for company as big as home choice dont they have procedure to follow regarding this client who appear on their list if they have been called or not.now i feel they giving me falls hope and if they do check clients credit record they will see that i dont qualify and they waisting me time with all this unnecessary calls