Need a fully furnished single room

I am Abhijit Dey, Indian, aged 23, male, student. Need a fully furnished single room with shared kitchen and bathroom or a single apartment with private kitchen and bathroom. Furnishing must have atleast a bed, desk, chair and wardrobe. Kitchen should atleast have an oven and a mini fridge. Preferred location is near city center or near TU Dortmund. Supermarket (REWE/ Aldi/ Netto/ Lidl) and Pharmacy should be at a walkable distance. May buy a bicycle later, so must have a bicycle parking facility. Laundry facility should be available. Maximum rent must be 350 euro including everything (internet, heating, electricity etc), preferred rent is around 300 euro per month. Move-in date will be around 22nd-23rd September, 2022. I would like to know the amount I must pay to book the accommodation, and whether I can pay the deposit any time after booking and before moving in. Would prefer a live view of the accommodation. Anmeldung must be possible.