The Doubletree by Hilton Dallas Near the Galleria boasts 30,000 square feet of flexible meeting and banquet space, including our luxurious Grand Ballroom, which can accommodate up to 1,000 guests. Our guests have full access to a well-equipped fitness center and sparkling outdoor pool. Worked up an appetite? The Chef's Table Restaurant serves up wonderful breakfast and luncheon buffets daily, as well as casual American cuisine for dinner.