Yes, you need to let it acclimate to its new surroundings. It might be under a lot of stress: new home, new smells, traveling, etc... Now, let it rest for a week, no handling, no offering food, just spot clean the enclosure and change the water. After 7 days, offer her food. Was she previously fed f/t? Otherwise, you might want to try live food. Remember to prescent the room for a good 20-30 minutes before feeding her so as to put her in feeding mode.