I am new to using source tree. This is what I have done;
I created a branch from the master.
made some changes
commit the changes
Now when I want to push the changes of the branch the dialog only show the master branch.

I am clearly in the branch when I commit and click push button.
How do I push to remote branch. Does it not get created when I branch from master?
I checked with other developers in my team and after they commit their changes the push button shows the push count in red. In my case it does not.

In my case I don't see this.
If I use the command line I can push it without any problem. I assume there is some sort of a setting to get this working?
in the command line I get following message
fatal: The current branch feature/reservation_3 has no upstream branch.
To push the current branch and set the remote as upstream, use
git push --set-upstream origin feature/reservation_3
I think when I create the branch if I know how to do this part from source tree that would fix this issue