How to add a Recurring event to an Appointment Calendar

Hello All,
I am working with the Appointment Scheduler that is below and it is almost everything I need.
What I need to add is:
1) a drop down menu of Client Names to enter into the time slots that appear under the staff name. The names would come from a separate sheet that has several columns of info for each client
2) I need to add a separate column beside the staff column with the appointment times under it. In this new column would be a recurring interval ie. 7 Days, 14 Days, 21 Days, 28 Days or 30 Days (once a month). Once either 7, 14, 21, 28 or 30 is entered in this column next to the clients name at a specific time period the future calendar would automatically be updated to show his future appointment.
Any help here would be greatly appreciated.
Thank you.

Thanks JeteMc,
I have posted an update to this post yesterday. I was finally able to complete part 1. My biggest problem is with Part 2, the recurring appointment. This has been exceptionally
difficult for me. I just have no clue how to do it.

I have attached an up dated file below.
Thanks for any help. Very much appreciated.

Hello JeteMc,

I like your client drop down list a lot better than mine. On mine when I change staff the appointments disappear.

Thanks again.

Regards,
WillMa