Hi everyone, first post in ages so please go easy. Travelling to the USA next year and flights include internal USA domestic flights (Louisville - Miami 07/05/2020, Miami - Las Vegas 16/05/2020). I know AA has direct flights for these, as I can see them on the AA website. But when I try to find them through the Qantas website, the city pairings dont work (ie when I put in Louisville as the origin, it wont let me add Miami as the destination, and likewise with Miami as the origin and las vegas as the destination). It is also giving me an error when I try to put them in a multi city booking with my flights from / to Australia (Brisbane - Dallas 19/04/2020, Louisville - Miami 07/05/2020, Miami - Las Vegas 16/05/2020, Las Vegas - Brisbane 19/05/2020. Does anyone know why this might be? Previously booking the internal domestic flights through Qantas as part of a multi-city gives me free checked luggage, so keen to do it this way again. Thanks in advice, and as this is my first post in ages apologies if this is the wrong spot / terminology.