I worked in a bar for a bit. I thought I'd meet loads of women, get some all the time. How wrong I was.
My barman inspiration was Lloyd from 'The Shining':
My advice:-
Don't be afraid to ask.
Keep busy. When quiet, don't text, clean, see a punter, wash your hands, serve, clean, see a punter etc. Be hygienic, be friendly, suck up to your boss.
A 'Henry' is Orange Juice and Lemonade. You should only use 1 bottle for a pint, so as a punter, you're better off ordering 2 half 'Henry's' and a pint glass.
For a Bitter Shandy, you'd fill with lemonade first, remove the nozzle from the cask ale pump and gently fill to the top. That's how it was for the rank Swindon brew.
Get the change right - it becomes second nature. Always look at the note one last time before putting in the till so you're so sure that if they say 'I gave you a £20', you can categorically say, 'no, you gave me a £10'.
The only action I had was taking two female regulars back to my house. One was married, the other getting married (the younger prettier one). I said to her, do you fancy sex?. To which she replied, 'I can't, I'm getting married'. So I turned to the other one to which she replied 'yes'. I got to 5th. Afterwards, she only texted her husband for a lift home.

So 3am in the morning, husband picks her up, and the prettier one turns to me and we snogged on the doorstep to make out it was me and her - the reason they were back at mine. Score!
The one I went with came back round a few days later, one lunchtime for some more.
So if a customer, whose a builder, who treats you like muck and constantly looks down on you even though your the most courteous you can be. And the women I went with from the paragraph above separates from her husband and ends up with this guy, you know there is a god and he's got a sense of humour
