American english female voice for phone system.

I need 5 voice files made for a phone system. File one. Music on hold with background music and 5 multiple line statements spread over 60 seconds. You must supply appropriate background music. File two. Main message. Approximately 6 lines. File three. Voice mail greeting message. Approximately 4 lines. File three. Voice mail greeting message. Approximately 4 lines. File four. Voice mail greeting message. Approximately 4 lines. File five. Voice mail greeting message. Approximately 4 lines. The voice needs to be female with an american english voice. Bidders must submit a sample voice file for consideration. If there is no file attached, I will just delete it. I will need to be able to make at least 4 revisions per file prior to final payment.