public string CancelBookedRide(User user, int rideId) { try { var Riders = Dbrr.GetRidersByRideId(rideId); var rider = Riders.FirstOrDefault(p => p.Id.Equals(user.Id)); if (rider.IsBookingConfirm) { var ride = Dbr.GetRideById(rideId); ride.SeatAvailable += 1; Dbr.UpdateRide(ride); } Dbrr.DeleteRider(rider); return("Booking Cancelled Successfully..."); } catch (Exception) { return("Booking Can't be Cancelled.."); } }