No install location available in Mac Internet Recovery
Follow this guide on how to erase and install Mojave and all recent macOS releases. Many old instructions on the net are wrong.


https://support.apple.com/en-us/HT204904


You create the Macintosh HD as part of the process, so if it’s not there either you aren’t taking the intended action or there is a failure in the disk (hardware) and Disk Utility should throw an error condition to trace that.

Follow the link on erase in step 2 above for the erase portion.


https://support.apple.com/en-us/HT208496