There are multiple chat plugin which with respect to our plugin is a third party plugin. Since, we are not able to make the compatibility test with the third party plugins, plugin that works fine in a setup can give a disastrous result in the other setup. Therefore, we are unable to suggest you one.
Also, thank you so much for your kind review. We try our level best to give our users a pleasant working experience. Also, we would really appreciate if you drop your review in the below given link as this can boost the working environment of our overall team.
Link to drop your review : https://wordpress.org/support/plugin/wp-travel/reviews/