No, it's not okay for me. It's not about the amount of money i give you. It's about the way you do this.
You could have asked me - can you please pay for my trip? And I would of course have said yes. I don't want to negotiate a price for seeing you. I just don't like things done this way, sorry.
Let's stop here please. I am angry now. We can talk again in a few days if you like.