You can use the following tokens in both the auto-open and auto-close response templates:
##ticket_id## - Ticket ID or Mask
##ticket_subject## - Ticket Subject
##ticket_status## - Ticket Status (new, resolved, etc.)
##ticket_owner## - Ticket Owner User Name
##ticket_due## - Initial Ticket Due Date according to SLA plan/Queue & Schedule
##ticket_time_worked## - The Amount of Agent/Technician Time Spent on this Ticket
##ticket_email## - The Email Body of the Original Ticket Message
##queue_name## - Ticket Queue Name (Support, etc.)
##queue_hours## - Weekly Business Hours this Queue is Staffed (default or SLA override)
##queue_response_time## - Queue's Target Response Time in Business Hours (default or SLA override)
##sla_name## - The Sender's SLA plan (if any, otherwise returns "none").
##contact_name## - The Sender's Full Name (if stored in Contacts, otherwise blank).
##requester_address## - The Sender's E-mail Address that Opened the Ticket.
##company_name## - The Sender's Company Name (if stored in Contacts, otherwise blank).
##company_acct_num## - Company Account Number (if stored in Contacts, otherwise blank).