When practicing conversation in another language, if you only give short answers, you will always be a beginner. For example, if someone asks, “Where do you want to travel?”, and you just answer, “France” or “I want to travel to France,” you’ll never reach intermediate proficiency in speaking. Get used to volunteering extra information, and your proficiency will grow quickly.
The most obvious way to add information is to give reasons for your answers. “France because I love the French language, and everyone says Paris is wonderful.”
Another way is to compare two things. “Either France or Mexico. In France, I can practice my French, but in Mexico, I can get more sun. I can’t decide.” In fact, a good exercise is to compare two or more things as a conversation topic. For example, you can compare two countries you’ve visited or two cities you’ve lived in. You can compare schools you attended or homes you lived in. You can compare yourself with your siblings or with your parents. You can compare sports you like or foods you cook. This will stretch your language skills and will help you to reach the intermediate level much faster.
You can lengthen your answers by giving specific examples. “I want to travel to Paris and see the cathedrals there. Especially, I want to see Notre Dame before I die.”
You can also lengthen your answers by telling a story. “I want to go to France again. I went to Paris as a teenager and loved it. My family traveled there for a weekend. I saw the Eiffel Tower and the Louvre. Now I want to see more of France.”
In summary, whether you talk to yourself or practice conversation with someone else, always get in the practice of giving longer and longer answers. If you practice by talking to yourself first, you can look up words in a dictionary as you speak. This way, you can learn specific vocabulary you need rather than the general vocabulary taught in textbooks. If you also study and practice grammar, you can go from beginner to low-intermediate level quickly.