This fragrance from Burberry could work well for a number of occasions. The 30 ml packaging is small enough for you to bring in your carry-on on a plane.
From Sephora
Burberry Goddess Eau De Parfum Intense 30Ml
Perfumes Club
Burberry Goddess Intense eau de parfum spray 30 ml
This product is also available at 2 unverified stores.