You can always add other services if you want. For instance, if you want flowers for your event, click on 'Add own supplier'.
Click 'Add to the Program', then 'Add new supplier'. You will be directed to this field where you need to fill in some info, like the suppliers name (The Flower Shop) , type (Flower delivery), website (www.topflowers.com) and contacts. Then, click 'Save'.
Hit 'Proceed to request' and you will get an offer online.