Yes, when sharing and selecting the "Force Service" feature. You will be able to access the specified service URL & HTML code. 

Step:

1. Click here to go to booking widget

2. Click Share button located at the upper-right corner

3. Click Force Service button to enable

4. From the drop-down menu, select the specific Service you wish to appear on your booking widget

5. Click URL To Share tab  

5. Click Copy URL button