Barbara: I'm at the Coop. Do you want something?
Thomas: We're running out of salt. 
Barbara: Ok. Anything else?
Thomas: Can you buy tomatoes? I want to cook dinner soon.
Barbara: Ok
Thomas: Are coming home soon?
Barbara: Yes. In 30 minutes.
Thomas: Great!
Barbara is at the Coop. Barbara will buy salt and tomatoes at Thomas' request. Barbara will be home in 30 minutes.