The British Broadcasting Corporation LEARNING ENGLISH site is comparable to the Voice of America, featured yesterday. Just keep in mind that there are cultural differences, in addition to pronunciation differences, between British and American English.
That said, the BBC website has a very useful collection of "How-To" phrases, within the grammar and vocabulary section. The direct url is
This week's feature is on "How-To Make an Appointment." It covers the vocabulary and phrases you need to know to book an appointment for a variety of situations.