I claim the ornamental design for a dining table, as shown and described.
FIG. 1 is a front corner perspective view of a dining table according to an embodiment of the invention. The view from the opposite back corner being identical to this view.
FIG. 2 is a front elevational view of a dining table according to an embodiment of the invention. The view from the opposite side being identical to this view.
FIG. 3 is a side elevational view of a dining table according to an embodiment of the invention. The view from the opposite side being identical to this view; and,
FIG. 4 is a top plan view of a dining table according to an embodiment of the invention.
The portions of the figures shown in dashed lines are for illustrative purposes only and form no part of the claimed invention.