diff --git a/packages/features/bookings/Booker/components/hooks/useSlots.ts b/packages/features/bookings/Booker/components/hooks/useSlots.ts
index faebef50984eec..26752a329e8278 100644
--- a/packages/features/bookings/Booker/components/hooks/useSlots.ts
+++ b/packages/features/bookings/Booker/components/hooks/useSlots.ts
@@ -123,7 +123,7 @@ export const useSlots = (event: { id: number; length: number } | null) => {
     eventTypeId,
     eventDuration,
     timeslotsAsISOString: allUniqueSelectedTimeslots,
-    slotReservationId,
+    slotReservationId: slotReservationId || undefined,
   });
 
   // In case of skipConfirm flow selectedTimeslot would never be set and instead we could have multiple tentatively selected timeslots, so we pick the latest one from it.
@@ -145,7 +145,7 @@ export const useSlots = (event: { id: number; length: number } | null) => {
 
     const interval = setInterval(() => {
       handleReserveSlot();
-    }, parseInt(MINUTES_TO_BOOK) * 60 * 1000 - 2000);
+    }, (parseInt(MINUTES_TO_BOOK) - 2000) * 60 * 1000);
 
     return () => {
       handleRemoveSlot();
diff --git a/packages/features/bookings/Booker/config.ts b/packages/features/bookings/Booker/config.ts
index 8a5f331dac284f..809eea6257369d 100644
--- a/packages/features/bookings/Booker/config.ts
+++ b/packages/features/bookings/Booker/config.ts
@@ -231,7 +231,7 @@ export const extraDaysConfig = {
     tablet: 0,
   },
   [BookerLayouts.WEEK_VIEW]: {
-    desktop: 7,
+    desktop: 6,
     tablet: 4,
   },
   [BookerLayouts.COLUMN_VIEW]: {
diff --git a/packages/features/bookings/Booker/utils/isTimeslotAvailable.ts b/packages/features/bookings/Booker/utils/isTimeslotAvailable.ts
index 0b8b8ceb05e7ec..5dceb82d08b0c5 100644
--- a/packages/features/bookings/Booker/utils/isTimeslotAvailable.ts
+++ b/packages/features/bookings/Booker/utils/isTimeslotAvailable.ts
@@ -44,7 +44,7 @@ function _isSlotPresentInSchedule({
   // Timezones can't be more than 1 day apart, so we can safely assume that previous and next day covers all the dates where a time slot can be present
   // We don't want to look up for a slot over all the dates in the schedule data unnecessarily for performance reasons
   const dateBefore = dayjs(dateInGMT).subtract(1, "day").format("YYYY-MM-DD");
-  const dateAfter = dayjs(dateInGMT).add(1, "day").format("YYYY-MM-DD");
+  const dateAfter = dayjs(dateInGMT).add(2, "day").format("YYYY-MM-DD");
 
   // No matter what timezone the booker is in, the slot has to be in one of these three dates
   const slotsInIsoForDate = scheduleData.slots[dateInGMT] as Maybe<SlotsInIso>;
@@ -81,7 +81,7 @@ export const isTimeSlotAvailable = ({
   const isUnavailableAsPerQuickCheck =
     quickAvailabilityChecks &&
     quickAvailabilityChecks.some(
-      (slot) => slot.utcStartIso === slotToCheckInIso && slot.status !== "available"
+      (slot) => slot.utcStartIso === slotToCheckInIso && slot.status === "available"
     );
 
   if (isUnavailableAsPerQuickCheck) return false;