Das hat nichts zu bedeuten.

It is of no consequence. No matter.

Werden Sie schon bedient?

Is any one waiting on you?

Bitte, bedienen Sie sich!

Please help yourself.

Zu Befehl (Herr Lieutenant)!

(A military form used in answering the summons or receiving the orders of an officer. In our service a simple salute usually takes the place of it).

Was befehlen Sie?

What can I do for you?