Ciao Emiliano,
David has already posted a correction. I've copied his correction below and added some alternative ways of saying the same thing as I thought it might be interesting - highlighted in green...
Thursday I woke up early to pack my suitcase for my weekend in Paris. I got up to take have my breakfast, then I went upstairs to take a shower.
I got up early on Thursday to pack my suitcase for my weekend in Paris. I then had breakfast and went back upstairs to have a shower.
I put on a shirt with a and jeans, and I set off to work.
I put on jeans and a shirt and set off for work.
I locked up the door and I walked to take my bus. I got on it at 8.30am, I switched buses at the station and I got off at 9.20am.
I locked up and walked to the bus stop. I got on the bus at 8:30 a.m., switched buses at the station and got off at 9:20 a..m.
I came at into the office and I had a quiet morning.
I got to the office and had a quiet morning.
There was a strike, so I had to leave the office at 5.30pm to get back in time at to the city station and get the train. Unfortunately I had an unexpected meeting with a customer and I set off did not leave the office at until 6.10pm.
There was a strike, so I needed to leave the office at 5:30 p.m. to get back in time to the city station to catch my train. Unfortunately I had an unexpected customer meeting so I didn't get to leave the office until 6:10 p.m.
I got on the bus at 6.15pm and at 6.50pm I got back in to the city station.
I got the bus at 6:15 p..m. and arrive back at the city station at 6:50 p.m.
The train came into Paris 30 minutes late and there was another strike. Finally I got to the hotel at midnight.
The train arrived in Paris 30 minutes late and then there was another strike. I finally got to my hotel at midnight.