I am having trouble with a bash script in Linux. The script is supposed to find all files with the .txt extension in a specified directory, and then move them to a new directory. However, when I run the script, it doesn't seem to be working. Can you help me figure out what's wrong with my code and how I can fix it? Here is my current script:

```bash
#!/bin/bash

echo "Enter the source directory:"
read src_dir

echo "Enter the destination directory:"
read dest_dir

find $src_dir -name "*.txt" -exec mv {} $dest_dir \;
```
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