Go and, come and …
In speaking, we often use and after go and come before the base form of verbs like ask, buy, check, collect, do, find, get:
Why don’t you go and ask her?
I need to go and buy myself some running shoes.
Can you come and do the washing-up?
She should go and find another job.
In informal American English, speakers often leave out and:
Would you like to come have lunch with us?
I was expecting him to go get the keys.