Here are the key things the customers wanted and whether they were satisfied based on the interactions described:
A) The businessman wanted a hotel room for the night. He was dissatisfied as there was no record of his reservation and the receptionist did not try to help, just suggested another hotel.
B) John wanted a tracksuit that fit properly. He was dissatisfied as the sales assistant did not try to help or offer a solution, just blamed John for the issue.
C) The elderly lady flying for the first time wanted assistance. She would have been satisfied by the cabin crew member who helped her with her needs.
D) The man at the reception wanted assistance/information. He was dissatisfied by the receptionist