Your husband lost his job, so you don't have enough money to pay for your home loan. Now you're trying to sell your house. You say this to explain why you're selling it to a potential buyer.
You have a problem with your skin. Part of your back is red and itchy. You're describing the problem to a doctor.
“Welcome aboard Flight 187 to Chicago. Our travel time this morning will be approximately one hour and fifteen minutes.”
You've just gotten onto an airplane for a flight. The captain makes an announcement to everyone that starts like this.