Fault not fixed after 2 months!

<p><span style="color: #666666; font-family: 'Source Sans Pro', Verdana, Geneva, sans-serif; line-height: 20px; background-color: #ffffff;">We reported a fault more then 2 months ago and it still has not been fixed! Why do we pay for a service that is not working properly or sometimes is not working at all!!!</span></p> <p><span style="color: #666666; font-family: 'Source Sans Pro', Verdana, Geneva, sans-serif; line-height: 20px; background-color: #ffffff;">The reference number given is: AI ********** </span></p>