Answer:
you are saying: "When do you go on vacation?" in German
Step-by-step explanation:
Wann = When
Urlaub = Vacation
Sie = you
How to Respond:
examples for how you could respond:
"im Juli" (in July)
or
"Ich bin noch nicht sicher" (I'm not sure yet)
or
"Ich gehe bald" (I'm leaving soon)