Returning

I am currently out of the office returning on [date].

If you need assistance, please contact:

[Substitute name 1] at [Telephone number] or via e-mail [Substitute email 1]

[Substitute name 2] at [Telephone number] or via e-mail [Substitute email 2]

Otherwise, I will reply you your e-mails upon my return

Regards
[Name and Surname]