search attributes

Hi I have the plugin width tow premium add ons xml importer and agents, is working perfectly until now, I just have one issue I need the form to have two conditional fields, I mean if Someone choose the city the next field should only show the departments available in that city and the neighborhoods available in that department is there a way to do these, it is very important for my client.

Please help

https://wordpress.org/plugins/wp-property/