Blackberry phone contract swap +

Hi im looking to change the account holder to my Blackberry contract which is really good! but not to my liking anymore as I am going back to university and rarely use my phones features The contract is :- 31.37 per month -unlimited Tmobile calls -unlimited internet -unlimited blackberry messenger -300 texts -300 minutes and for an extra 5 a month 2000 minutes If your interseted get back to me ASAP especially if you want to top up the minutes to 2000 as this needs to be updated before the 18th of this month Thanks