She's staying with Helen, her school friend, in Riverside. That's in Connecticut.
6 seconds sound clip from the You Can't Take It with You (1939) classic radio play.
You can hear this line at 00:47:16 in the radio play.
Quote context
[...]
- Look! It's a letter! From Alice! Here, read it!
- Alice? What does she say? Where is she?
- Now, wait a minute, my hands are shaking.
- She's staying with Helen, her school friend, in Riverside. That's in Connecticut.
- 'I know now the situation between me and Tony is impossible.'
- I should have stayed in my own back yard, but, oh, my darlings, I'm so lonesome for you.
- Last night I cried myself to sleep.
[...]