Miajag is wrong. Most new baby birds will be scared at first but you can work past that very quickly through operant conditioning. If you give in to the bird, you'll never get it out. For all the bird's I've worked with, the first few weeks I'd have to spend a little effort getting them out but not for one of them did it take more than 2 weeks for it to be begging to come out! With any bird, within two weeks it would run right to my hand to step up and come out.
The key is to make it super rewarding to be out of the cage: interaction, treats, tricks, training, etc. Make sure nothing bad happens out of the cage. You can't wait and see if the bird will want to come out because it will never want to come out at first because it is scared and doesn't know that coming out is a good thing. Once you've had them out a few times and showed them how great it is, they'll learn to want to come out. Luring will often not work because the fear will overcome hunger in regards to coming out initially.
You can use my
training guide for training an aggressive bird to come out if you really want to but it really is unnecessary for a baby. They're used to being handled and they are young/forgiving. In your case I recommend grabbing and getting it out and then giving it an incredible time when out. Target train it outside of the cage and then you can try to apply it by targeting out of the cage onto your hand willfully.