「いらっしゃいませ！何をお探しですか？」

= Irasshaimase! Nani wo osagashi desu ka?

= “Welcome to our store! May I help you ?”

「もっと痩せて見える服を下さい。」

= Motto yasete mieru fuku wo kudasai.

= “I want some clothes which will make me look thinner.”