The context of the following conversation is While Casey was interested in learning to play the piano, asked the pianist for lessons.:
Casey says I asked a pianist for lessons.  I really wanted to learn to play the piano..
The friend responds That's great.  You should..
Casey responds She told me her price and it's reasonable so I think I'll start my first lesson this week..
The friend responds Do you have a piano?.
Casey responds My mom bought me a keyboard.  If I get really good at it, she said she'll buy me a grand piano..
The friend responds Your mom is so supportive..