I am looking for a tour of about 15 days including a visit to the Kung fu at the red theatre and a cruise down the River and 3 dams.

Dear M.Strudwicke :
Warmly greetings from Top China Travel! Many thanks for your enquiry and trust to us!
I am Lily, the sales reprehensive of TCT. It is my pleasure to assist your first trip to China
I tailor made a 150 days tour for your party a private tour in Beijing , Xian,Guilin. Yangshuo, Yangtze cruise and Shanghai . The package cost has included all land service/domestic airfare with tax fee, hotel accommodation with ABF in the hotel; daily lunches, Yangtze cruise with daily lunch and dinner. But excludes international air ticket in and out of China.
Meanwhile, the recommended 3 star and 4 star hotelat the bottom of the document, these hotels are reconmeded to our other customers and got good feedback. So, two options of cost for your choosing.
because your travelling date is unknow, and each Yangtze cruise has its fixed sailing schedule, i just listed 2 series cruises website for your reference.
Hope the above is clearly. Should you have any questions, please feel free let know. 
I always receive your message with great pleasure
Many thanks and Best regards
Lily