Marth,
Who wouldn't be scared! Don't scare yourself into a problem. Why would you NOT be able to enjoy food to the fullest while on vacation? You can enjoy wonderful foods and stay on plan. Just order what it is you want on a bed of greens!

Be careful not to use the word "vacation" as an excuse to eat those full carb meals. Focus on the ultimate goal.

Try and view menus before going to the restaurants and if you have Dr A's pocket carb counter he has a section where he makes suggestions to order according to what restaurant type.
Good Luck and keep us posted!