Caldera Forms includes the facility to direct form submissions to different email addresses based on a drop down list on the form. Here's how to add a new conditional recipient:

Go to Caldera Forms and click Edit next to the form to be amended:

Find the select list and click on the edit icon (pen):

On the right, click on Add Option:

Enter the values for the new option:

Click on the Processors tab:

Click on Add Processor:

Click Use Processor next to Conditional Recipient:

Under the Settings tab, enter the target email address:

Under Conditions, set up a condition on the value of the select list being the new option:

Click Save Form at the top of the Caldera Forms settings.