Unprofessional service from repairs department

Took my phone for repairs on 04/12/2023 the next day I got a message that do it's waiting for parts delivery ,on 11/12/2023 I went to check it and I was told it will be back in store on the 14th...I went to the store on the 15th and m told it's not yet bk parts are there but it waiting for calliberation.now I have the cancel my trip home just to wait for a phone which I thought that I will get in about 7days because parts are available..also spending money on petrol going to the store because there is no feedback from them and even the job tracking system is just **** itself ..it shows that my phone is still on verification