GET / => This route will return you a welcome note that Welcome to the Air Flight booking.
POST /api/register => This route will allow the users to Register.
POST /api/login => This route will allow the user to Login to the Portal.
GET /api/flights => This route will get all the data of the Available Flights.
GET /api/flights/:id => This route will get all the data of the Specific Flight.
POST /api/flights => This route will allow to add new flight to the Database.
PATCH/PUT /api/flights/:id => This route will allow to update the data of any specific flight with specific id.
DELETE /api/flights/:id => This route will allow to delete the data of any specific flight with specific id.
GET /api/dashboard => This route will shows all the flights booked by the users.
POST /api/booking => This route will allow the user to book any flight he/she wants to..