50 ml is a small packaging, but that also means you can take it in your carry-on when traveling. A fragrance from Valentino could work well for a number of occasions.
From Debenhams
Uomo Intense Eau de Parfum - Misc - 50ml
Perfumes Club
Valentino Uomo Intense eau de parfum spray 50 ml
This product is also available at 6 unverified stores.