Task is to make Sequance diagram

Use case Name: Manage check-in Brief Description: The customer arrives in the hotel to check in. The system finds the reservatio and allocates the room(s). It finally provides room access card to the customer. Primary actors Trigger: Customer wants to check in. Preconditions Customer, Staff, Room service staff 1. Post-conditions The reservation must exist 1. 2. Normal scenario Access card was printed The customer was checked in Actor Action System Response 1. The customer arrives at the hotel desk 2. Staff enters the reservation number or 4. Staff enters scanned copy of the for check in the customer name customer identity card 3. Find the reservation details 5.Get the reservation and attach the scanned 6. sinclude: Check accessory use case> (see 6a) customer identity 9. The customer gets room access card 7. Prepare Invoice, Print a room access card for the customer 8. Record the room number, and record check-in information and checked in. Alternative flows (if any) 6a. If any accessory is missing, produce a message to the room service staff to supply the missing accessory