戻りましたらすぐ電話させます。

戻りましたらすぐ電話させます。

I will have him call you the moment he gets back.

戻(もど)りましたらすぐ電話(でんわ)させます。

Modorimashitara sugu denwasasemasu.

戻る (もどる)

to turn back (e.g. half-way); to return; to go back; to recover (e.g. something lost); to be returned; to rebound; to spring back

直ぐ (すぐ)

immediately; at once; directly; soon; before long; shortly; easily; without difficulty; right (near); nearby; just (handy)

電話 (でんわ)

telephone call; phone call; telephone (device); phone

Readings: レイ、もど.す、もど.る

Meanings: re-, return, revert, resume, restore, go backwards

Reading: デン

Meaning: electricity

Readings: ワ、はな.す、はなし

Meanings: tale, talk