I can't disable function from dashboard

Hi,
I’d like to submit form directly onsubmit… i don’t need the extra step where it prompts that i can choose to add another reservation or go on to submit.. How can i disable this extra step? I want that form submit directly with the info for one reservation for one resource! I can’t find it on general settings…

Thanx

It’s an form shortcode option. Remove the multiple=”” part.
Regards