Your phone books the job while you're on a job.
The call gets answered. The job gets booked for real. A confirmation email goes out. The phone still gets answered during the rush.
The call gets answered. The job gets booked for real. A confirmation email goes out. A bird's-eye map shows where the jobs and customers are. The built-in CRM takes the same job from estimate to invoice to paid through Stripe. During the rush the agent answers and books. Reservations land on the calendar. The map and CRM stay in the same shop.