If you are not receiving Slack notifications, please check the following
You have not added a bot
If Slack notifications are not coming to the selected channel,
Please add the bot manually to the specified channel again (post "/invite @Jicoo" to the corresponding channel).
There are not enough members to be linked to Slack
If you have not specified a channel on the booking page
Automatic assignment of the person in charge (round-robin): All members (except for notified members)
Settings other than the above: All booking page owners
When a channel is specified on the booking page
Automatic assignment of contact person (round-robin): All members (except notified members)
Settings other than the above: All booking page owners
Please check the status of Slack integration.