根据字母提示，补全对话。
Mom: What are you d____________?
Jack: I'm making a b____________ chart for our f____________. W____________ is your birthday?
Mom: It's in A____________.
Jack: My u____________ birthday is in A____________, too. When's my f____________ birthday?
Mom: It's in O____________. And your aunt's birthday is in F____________.
Jack: Great! Here's the chart.
