Can someone make me a routine ? i have a gazelle , yoga mat and 2 dumbells ...?

i want to lose as much weight as possible , as i have a trip to mexico coming up in april and farewell / grade 9 prom in may . i want to lose between 20-30 lbs . i have a gazelle edge , a yoga mat and 2 five pound dumbells . can someone make me a routine to maximize weight loss in this time frame ? im also going to be watching what i eat ...