Select the Event you want and press "Event Details" at the top, where you'll be able to see attendee contact information, existing RSVPs and ticket purchases. Beyond this, you'll also have the option to create connected Workflows.
How do I export the guest list for an Event?
On the Event Details page, scroll down to Event Attendees and press "Export".
From this list you can also click the 3-dot menu to update the member's RSVP or remove it entirely.