Spare key and Service book

I have bought a car Datsun Go At Motus Renault Montana on the 5th February 1924 salesperson who was assisting me told me that he will deliver spare key and service Book till today no service book and spare key when i call him he will say the person who is on leave has spare keys will be back on 1 march 2024 and on 1 March called him says he will organise i have been calling till today struggling to get Service book and spare keys its been a month Service there is poor