In order to make multiple bookings at once, select the earliest time that you want and then click on โAdd a Timeโฆโ.
Then go back and select a new time, selecting โAdd a Timeโฆโ until youโve selected all the times that you want to book. Then click continue and finish the booking.
NOTE โ these are treated as separate bookings and must be changed individually when cancelling or rescheduling.