what makes the ideal, repeat gentleman is different for every lady. obviously, having good hygiene, manners, being punctual, not haggling or being too overbearing (prior to and after meeting) are things every gentlemen should posses to even be considered as a regular.
personality and chemistry are very important in deciding if i would see someone again.
i think this question is something you should pose to these two ladies. if a gentlemen were to inquire with me as to why i would not see him again, i would happily inform him of why.
remember, there is always room for improvements on both ends (provider and client).