Having the ability to sign multiple appointments/employees to the same customers starting at the same time block, for example in a Salon environment, a customer would like to have a manicure and pedicure service at the same time instead of having one employee work for an hour on that customer then the second employee comes in and works on that same customer for another hour. Have the option to ask the customer if they would like to have multiple services done at the same time and then book the longest service duration for all employees involved. While maintaining the ability to select any employee or specific employee for each service in the cart.