Good morning all!

Got a quick question...we took a friend with us last September to the World for his first trip. He loved it so much that he wants to go back in December. Here's my question...last trip he ate a lot of his sandwiches without buns because he has a stomach ailment that prevents him from eating nuts and seeds. We're going to be eating more quick service than anything this trip and was wondering if any of you knew if he could get a seedless bun if requested. Thanks!