I forgot to bring food to kill dragon in dragon slayer on runescape now wat should i do?

hello evryone i was doing dragon slayer quest on runescape but forgot to bring food and other items so what should i do???? or can u plzz come online now and give me 1 str potion and varrock teleport runes and rest of inventory full of cooked lobsters....i will give them back to u .. if not then plzz tell me the way to get back and bring food and come back to crandor and kill the dragon my username is simran karan plzz add me i m online .............i fu want to give these things to me i promise u i will give them back to u ......after the quest plzzz help me i beg u ....