No problem, ACTIONS to the rescue.
ACTIONS are what I like to call Webhooks for Dummies, and that is a good thing because the previous method for simple automated functions like yours was to set up a Webhook, which is much more complicated.
http://help.quickbase.com/user-assistance/#about_quickbase_actions.htmlPost back if you get stuck. You will need to have a formula field(s) to calculate, for example, the start date and time of the next meeting so you can auto populate those fields on the reservation.