We went to a department store in order to see a movie. We went to a department store to see a movie.

Your sentence was correct but this sounds more natural in the US.

We went to a department store in order to see a movie. We went to a department store to see a movie.

"In order to" sounds very formal, you can just say "to".

It is designed asto look like an airport. It is designed to look like an airport.

Even the announcement of reminding the movie time reminder is similar to an airport’s. Even the announcement of the movie time reminder is similar to an airport’s.

Cool!

Even the announcement tof reminding what time the movie timestarts is similar to an airport’s. Even the announcement to remind what time the movie starts is similar to an airport’s.

The movie we saw is《was "Plane》". The movie we saw was "Plane".

The movie we saw is《was _Plane》_. The movie we saw was _Plane_.

My heartbeat had been beating fast from the first crisis to the end. My heart beat fast from the first crisis to the end.

My heartbeat had been was beating fast from the first crisis to the end. My heart was beating fast from the first crisis to the end.

To be honest, I’m not usually interested in this kind of movie, but I really recommend it after seeing it. To be honest, I’m not usually interested in this kind of movie, but I really recommend it after seeing it.

I just wanted to study at a different place and madke my day a little fresher than usual. I just wanted to study at a different place and make my day a little fresher than usual.

I just wanted to study at a different place and madke my day a little fresher than usual. I just wanted to study at a different place and make my day a little fresher than usual.

It was not quite like the library,. It was even a little loud because of the coffee machines and the chatting voices. It was not quite like the library. It was even a little loud because of the coffee machines and the chatting voices.

But I felt the degree to which I focused on what I studied at the cafe iwas the same as at the library. But I felt the degree to which I focused on what I studied at the cafe was the same as at the library.

But I felt tThe degree I could focused on what I studied at the cafe is, however, felt the same as at the library. The degree I could focus on what I studied at the cafe, however, felt the same as at the library.

I thought the reason is that what I studied is the ink it's because I was studying something I’m found interested in.ing. I think it's because I was studying something I found interesting.

While your sentence isn't wrong per se, it was a little choppy. I think it could be due to ending with a preposition. When you end a sentence with 'in'; 'at'; 'on'; 'of'; 'to', it sounds a little weird. I reformatted your sentence to help it flow while still conveying the same idea.

I thoughtink the reason is that what I studied is the thing I’m interested in. I think the reason is that what I studied is the thing I’m interested in.

I thought the reason is thatink that is because what I studied is the thing I’m interested in. I think that is because what I studied is the thing I’m interested in.

Therefore, I didn’t feel irritable even though I was in thea noisy atmosphere. Therefore, I didn’t feel irritable even though I was in a noisy atmosphere.

Therefore, I didn’t feel irritable even though I was in thea noisy atmosphere. Therefore, I didn’t feel irritable even though I was in a noisy atmosphere.

Swap out the article 'the' for 'a', and now it sounds more natural.

Therefore, I didn’t feel irritable even though I was in thea noisy atmosphere. Therefore, I didn’t feel irritable even though I was in a noisy atmosphere.