Ok perfect. Thanks very much for your advice. In that case, I will go with the River North area. These are my options from Hotwire:
1
Downtown River North
4.5 Star
$83USD/Night
March 23-27
90% recommended 4/5 Trip Advisor
Amenities
Business Center, Fitness center, Indoor pool(s), Internet access, Pet friendly, Pool(s), Restaurant(s), Smoke-free rooms
Accessibility
Accessible for visually impaired
2.
Downtown River North Area Boutique Hotel (last person got the Godfrey)
4 Star
$80USD/night
March 23-27
95% recommended (No Trip advisor score)
Allows you to select a King bed at no extra cost-selection guaranteed.
Complimentary
Free Internet
Amenities
Boutique hotel, Fitness center, Restaurant(s), Smoke-free rooms, Spa services
There is also this one on Priceline:
Downtown River North Area
4 Star
$66USD/Night
March 23-27
No guest rating
Business Center
Restaurant
Free Internet
Fitness Center
Non Smoking
Thanks again for your help!