Imagine i'm in a store.How to ask the worker that they have

"How TO" 改为 "how do I"
"ask the worker THAT they have or not " 改为 "ask the worker whether they have"
"worker" 有些别扭,建议staff 或 employee
最后用问号
连起来：
Imagine I'm in a store. How do I ask the staff whether they have what I want to buy?