What are the guest first name, start date, and end date of each apartment booking?
SELECT T2.guest_first_name ,  T1.booking_start_date ,  T1.booking_start_date FROM Apartment_Bookings AS T1 JOIN Guests AS T2 ON T1.guest_id  =  T2.guest_id
guest first name refers to guest_first_name; start date of booking refers to booking_start_date; end date of booking refers to booking_end_date; joining information from two tables (Apartment_Bookings and Guests) based on a common identifier (guest_id);