Thai Smile Airline is pumpimg up its plans for innovative designs for the flight cabin, but has revealed that the A320s will have 174 seats. Thai Smile Airlines parent company Thai Airways will be removing services on routes that Thai Smile Airline will run. Thai Smile Airlines promises free meals and drinks, seat selection, speedy check-in, 15-20kg luggage allowances, and mileage accrual on Thai Smile's frequent flyer program and other Star Alliance partner airlines. การบินไทย สมายล์