Lack of parity between languages in Echo template response

[emgrol]

Sample information

• C# - echo VSIX template in Visual Studio
• Javascript - yeoman generator-botbuilder echo template
• Python - cookiecutter echo template

Describe the bug

The Python echo template sample produces different output than C# and Javascript bots.

C# and Javascript: respond with Echo:<user -response>.
Python responds with You said: '<user-response>'.

To Reproduce

Steps to reproduce the behavior:
Test the bot produced from the template. I followed the instructions in these quickstarts:

• C#
• Javascript
• Python

Expected behavior

All languages should have same output: Echo: <user response>

Screenshots

C# and Javascript:

Python: