Unity:
For developing the interactive NPC interface and integrating all features.
Amadeus API:
Used to fetch real-time flight and hotel data.
Gemini API:
It is responsible for answering user queries.
Vosk Speech Recognition:
It is used to convert user speech into text.
Pixabay API:
For fetching images based on keywords such as city or country names.
Python TTS:
It delivers audio responses to user queries.