i need hotels with breakfast and dinner pure vegetarian with sightsseeing in Beijing

hello i am sunil visaria will travel in the month of october pls guide me the best economical hotel with breakfast for 2 nights in the city and 3 nights in shanghai with sight seeing with guide and breakfast and dinner.pure vegetarian we will start our tour from 18th october.
we are 2 adults and 2 children. and children are below 12 years.