NEXT Sales Associate interview questions

Applied online, received a 5 minute phone call a few days later where I was asked some basic questions. Passed this and therefore was invited to an interview - had to again answer some questions and then had to go out onto the shop floor. There was someone there supervising me (although she seemed to be talking to another worker mostly) and I was told to approach customers to ask if they needed help - I approached everyone that entered the store but was later told that I hadn't talked to enough people. I then had to help on the till - someone else was serving customers whilst I put their shopping into bags (I was later told that I did not make enough conversation with the customers as I was doing this).

Was called in for an interview after having a call interview. Was asked to serve customers on the shop floor and tidy for 45 minutes. Was called back after an hour to say i didn't get the job because there was better candidates