public void ProcessOffer(IOffer offer, IBooking booking, IBookingOffer bookingOffer)
{
if (offer.MinSpend < booking.BookingTotal())
{
bookingOffer.Value = offer.Value;
bookingOffer.OfferCode = offer.OfferCode;
bookingOffer.OfferDescription = offer.OfferDescription;
bookingOffer.OfferID = offer.OfferId;
booking.AddBookingOffer(bookingOffer);
}
}