1. A computer implemented method, comprising: scanning, by a computer, a set of messages of a user to identify a plurality of addresses; identifying, by the computer, names of persons at the addresses to generate profiles for the persons; computing, by the computer, scores of the addresses to determine relevancy of the addresses to the user; in response to an incomplete input in an address field, identifying a set of persons in the profiles that match the incomplete input; sorting the set of persons based at least in part on the scores; presenting one or more suggestions to complete the incomplete input based on the set of persons; and in response to the user selecting a suggestion from the one or more suggestions, replacing, by the computer, the incomplete input with an address corresponding to the suggestion selected by the user.