we're doing a russian skit .. i need some help

its abt a tourist in russia who interacts wit a babushka, a hot young russian girl and a drunk communist. could anyone tell me wut are the common mistakes foreigners make in russia (in terms of the language)

also babushkas often push ppl around while gettin into the bus ... a lotta times they demand someoen else's seat. could u plz tell me some terms they use "something which wouldnt be too offensive"

also some common pick up lines or flirting lines between guys tryin to hook up wit galz

thanks a lot.