Try to generate the proxy class via SvcUtil.exe with command
Syntax:
svcutil.exe /language:<type> /out:<name>.cs /config:<name>.config http://<host address>:<port>
Example:
svcutil.exe /language:cs /out:generatedProxy.cs /config:app.config http://localhost:8000/ServiceSamples/myService1
To check if service is available try in your IE URL from example upon without myService1 postfix