Website Errors/booking incorrect

<p>Please may you kindly assist me as i have booked a online filght for march return filght, however when i used the website i did get an error twice which said this booking is a duplicate (in a red box,Submit Booking exception: SubmitBooking failed. The booking request is a potential duplicate of booking [LZPQWT]) when i did finally process the filght booking it booked my filght for Febuary which is totally incorrect as ****ed me off this is completely unreliable .<br /> This is a system issue and i have spoke to support which they have asked me to make extra payment,this is very unfair and extremely frustrating i would like this to be taken up. Question is how can the system change my booking from march to febuary when i did select for does specific dates within march.<br /> My contact number : ********** 445 <br /> i have spoke to Callcentre : Olivia Teamleader : kaygee<br /> spoke to them during : 26th Jan 7:08am in discussion to the issue but they have asked me to paid the added amount which is a ripp-off and unfair to the customers experiencing please can this added bill be removed asap!!!!!!!!! STOP ASKING FOR MORE MONEY RATHER SATISFYCUSTOMS WE PAY FOR THIS!!!!!!</p>