Miami is a world-renowned tourist city. As long as you stick to the designated tourist spots, safety can be assured.
Jimmy and Nia's professions dictate that before traveling, they need to understand what's safe and what's not about their destination. Therefore, the places they've visited these past few days have mainly been around Miami Beach and downtown, avoiding venturing too deep into the city.
After all, it's a vacation, and happiness and safety are most important. The fewer troubles they encounter, the more time they have to enjoy themselves.
However, after going around, Nia didn't seem very enthusiastic, which is understandable; after traveling from New York to Miami, the urban areas are not vastly different, except the beach here is significantly better than New York's.
Jimmy thought for a while, flipped through the travel guide, and picked a few not-so-far destinations. He was then in charge of setting the itinerary.