Answer:
1) David is preparing his suitcase. He will be going to fly to Paris.
2) David is preparing his suitcase. He will be going to visit the Louvre.
3) David is preparing his suitcase. He will be going to stay at the Royal Hotel.
4) David is preparing his suitcase. He will be going to take a lot of pictures.
5) David is preparing his suitcase. He will be going to pack his laptop, too.