3. The method of claim 2 , further comprising, responsive to determining the at least one language associated with the text of the one or more previous conversations by at least one of the first user and the at least one second user is not detected with the second confidence level that exceeds the second pre-defined threshold, retrieving, by the one or more computer processors, one or more preferred languages of the first user and the at least one second user.
2. The method of claim 1 , further comprising: responsive to determining the at least one language associated with the text of the one or more previous conversations between the first user and the at least one second user is not detected with the second confidence level that exceeds the second pre-defined threshold, retrieving, by the one or more computer processors, text from one or more previous conversations by at least one of the first user and the at least one second user; detecting, by the one or more computer processors, at least one language associated with the text of the one or more previous conversations by at least one of the first user and the at least one second user; and determining, by the one or more computer processors, the at least one language associated with the text of the one or more previous conversations by at least one of the first user and the at least one second user is detected with a third confidence level that exceeds a third pre-defined threshold.