Eway bill confusion..

I am trader and buying goods from maharashtra(IGST) and selling them to a party in my state Madhya Pradesh (cgst sgst).

Transportation is paid by MP party.

Now both the parties are demanding e way bill.

Maharashtra party saying it's interstate sale. We need/will generate e way bill.

Mp buyer saying Goods are coming from other state. So they need e way in their name also for gst purpose.

Now, i am in dilemma, how to generate e way bill and which bill(& e way bill) should be given to driver.