EdT fragrances are less concentrated and generally don't last all day. The 50-ml packaging is small enough for you to bring in your carry-on on a plane.
From AllBeauty
Laura Biagiotti - Roma 50ml Eau de Toilette Spray for Women
The Beauty Store
Laura Biagiotti Roma Eau de Toilette Spray 50ml
This product is also available at 2 unverified stores.