Hello. What can you tell me about Berlin? 
 Berlin is the capital of Germany. 
 Can you explain something about the geography? 
 One interesting fact is that three of the top 40 tallest buildings in Germany are located in Berlin. 
 Neato. Will you tell me another fact about the geography? 
 Some of the new buildings are inspired by either historic predecessors or the general classic style of Berlin. Hotel Adlon is an example of such. 
 Thanks. Do you know anything about the economy? 
 Several major German-language publishing houses are based in Berlin. Those include Walter de Gruyter, Springer, the Ullstein Verlagsgruppe, Suhrkamp, and Cornelsen. 
 May I have another fact about the economy in Berlin? 
 Berlin, as a German state, had the highest annual employment growth rate from 2012 to 2015. 
 Any other interesting facts about Berlin? 
 Some of the biggest international companies who operate a headquarters in Berlin include Bombardier Transportation, Gazprom Germania, Coca-Cola, Pfizer, and Total S.A. 
 Thanks for your help. Goodbye. 
 You're welcome.
Berlin