This was originally created by Swati Garg and Prabhakar Gupta. Refer to https://github.com/Swati4star/Travel-Mate for the original code
This code base was modified to demonstrate integration of Slang (http://slanglabs.in) to add a voice based assistant to this app.
All the integration code is effectively inside https://github.com/SlangLabs/travelmate/blob/master/Android/app/src/main/java/utils/VoiceInterface.java