1. Establish a comfort zone
Maybe Person behavior comes from an intent to Get Along and a need for approval. Their desire to have everyone be happy causes them to be stuck in indecision. You must make it safe for them to be honest with you about their conflict. Go slow and easy with them at this stage.
2. Surface their conflicts.
Once they are feeling comfortable with you, it is time to try to find out where they are stuck. Gently ask questions to find out. Always be patient and easy going.
3. Help them to clarify options.
Once the conflict is known, help them clarify their options. You could write each choice on a piece of paper, draw a line down the middle and in one column list the positives of that choice and in the other column the negatives. Use whatever decision making strategy works for you. Your goal is not to decide for them but to help them with a process that leads to a decision.
4. Reassure and assure follow through.
Once they reach desicion make sure you reassure them that they are doing the right thing. Then you can assure follow through if you can keep some action steps in your hands.