We have released a new component Jooma Multiple Hotel Reservation that allows room reservation for multiple hotels. 

Some of the features:
• multiple hotel management
• 4 easy reservation steps, from booking dates to final confirmation.
• credit card preauthorization and payment
• flexibility in managing reservations
• manage rooms, taxes, packages, email templates
• simple, flexible way to define and assign room options
• offer discounts, promotions
• and many more…