I had to travel to Japan with his family with his parents and sister in the trip they travel by plane, in order to save on travel costs, my mom booked flights during the planned price cuts and promotional expenses.
I've toured Japan with families, parents and sister. They travel by plane to the cost of the trip my mother's flight during a promotional price cuts and cost planning.
I took a trip to Japan with family, father, mother and sister. On a journey they travel by plane to save on travel costs, my mother ticket during the promotion discounted price and planning cost.