Reservation Cancel reservationBack to reservation page Reservation number: * Email: * Reason: * Reservation has been successfully canceled. Cancel reservation Step 1: Select date & number of guests Date: * Persons: * 1 2 3 4 5 6 7 8 9 10 More than 10 people For Large Groups please contact the square directly so we can assist you at 02 209 8888. Reservation is not available on selected day. Please select another day. Reservation is not available for today. Please select another day. Step 2: Select available time Reservation is not available on selected day. Please select another day. Step 3: Provide reservation details Change details Name: Phone: Email: Name: * Phone: * Email: * Promo Code: I would like to recieve updates and special offers from The Square Siam Square Restaurant Step 5: Select menu Thank you for your reservation. Thank you for your reservation. A confirmation email has been sent to you, should you not receive it, please rest assured that your booking has been received and is confirmed. If you wish you may contact us by phone to confirm. Your reservation number for reference: