Tt-30r 30a Receptacle

hey there everyone for those of you that don't know me my name is David and my wife and I live in our RV as full-time our viewers and we travel the country and explore everything that America has to offer however sometimes we do come back to our hometown and when we do we stay with my parents here the only outlet that they have available for us to hook our travel trailer up to however is only 15 amp service when our travel trailer requires 30 amp service and not only that but the outlet is nowhere near where we park our travel trailer next to their house at so we have to run a fairly long extension cable to their to the back of their house and into their patio where we can then plug into a 15-amp outlet we unfortunately end up tripping breakers fairly often because you know it gets pretty hot here in Indiana during the spring and the summer so we're trying to run our air conditioning an