What is the version of the following sentence with correct punctuation?

Reservations by phone or SMSs from 90 days in advance and even 15 minutes before the event If a service requires integrated call us and we will assist you in defining the best solution for your event
Reservations by phone or SMSs from 90 days in advance and even 15 minutes before the event. If a service requires integrated call us and we will assist you in defining the best solution for your event.