If you are not technical guy then:
You should contact the both companies customer server because changes needs hours to be effective so, if in case you did mistake during the process of pointing the domain, your changes will not work and you will loose the time so it is better to contact the customer service. You live chat with GoDaddy here
. But remember the live chat is not 24/7. Please check this question
Find your GoDaddy NS(nameservers) and copy them.
Then go to your domain (the control panel where the domain is registered, in your case) and update/change the NS(nameservers) to the GoDaddy NS(nameservers) you just copied.
After completing the above steps, your domain will be pointed to the GoDaddy servers (Only if you followed the above steps properly). But remember this process takes hours to be effective. You can find your GoDaddy NS(nameservers) here