123, X Street, Y Avenue
[Subject: Normally bold, summarizes the intention of the letter] -Optional-
Dear Austin Parker,
We have read your application and resume and are quite happy with the list of credentials you have provided. You may be just the person we are looking for. To get a better idea of how we might be able to work together, we would like to call you in for an interview on June 3, 2011. Please call Jim Day at 434-3434 to set a specific time slot. We are looking forward to hearing from you very soon!