"To plan a date" means to arrange and organize a specific time and activity to spend with someone you are interested in, typically in a romantic context. Full definition
There are a few things to be mindful of when planning a date night in. (mindbodygreen.com)
Their multiple tasks include management of team, planning date of programs, handling the accounts, deciding budget of any particular theater etc.. (sampleresumeobjectives.org)
If you're trying to impress her and you don't mind spending, why not plan a date in a different city? (richwomendatingsites.com)