AIBU to interrupt a shop assistant with a quick question if she is talking to someone else?

[NightSun]

I was in Debenhams, baby crying, couldn't find the lift to get out.

The only shop assistant on the floor was talking to an elderly gentleman so I waited a few of mins for a gap in the conversation (which was about the weather not sales), but no gap came. So I cut across with
'Sorry, which way is the lift?'
Shop assistant glared at me and said to gentleman 'I am so sorry Sir, if you will give me a moment' turned to me with another glare, told me where lift was and turned back to original customer with another OTT apology.

Is it so wrong to ask a quick question and interrupt? She could have just said 'round the corner then turn left' politely.

Or was I terribly U to have interrupted at all? Please be honest! I'm used to working in a busy hospital where interruptions are the norm.

If I were serving him, I'd have just ignored you tbh. A chat about the weather then yeah just say sorry to interrupt, could you point me to the lifts, please. I wouldn't mind that at all. Its when people are already serving someone and others butt in that I find it rude, but then I just don't acknowledge them until finished with the previous customers .

As other posters have said, it was a wee bit rude and an effusive excuse of the interruption would have been a better start. I personally feel like a wally standing and being ignored so I would have moved on to find another assistant or even asked another customer. I think the salesperson was equally rude in rolling her eyes and I might, if feeling particularly vindictive, report her to a manager. She would have lost a customer with me.
A bit off topic, but, if it's anything like my local debenhams the lifts are poorly signposted. The layout and amount of 'stalls' can quickly get you turned around. It took me a few visits to work out where the stairs and loos were. However, from a fire safety point of view I would make it a point to keep aware of your exit strategy in case of emergency in these department store places!

No you weren't On the contrary. She. She was the rude one. It's not like you burst in midway through them talking chatting shit. You did say excuse me, and it was information that you needed. She didn't need to drone on about the weather people can see for themselves when it's pissing down.
She should be keeping her mind on her job.
I'm sure there are plenty of unemployed people who would love to do her job and who have a lot more manners

Rude to interrupt, full stop.

Rude to assume that your need to speak to someone is greater than the others.

Why wd you think this is about your mum?..Btw I am very like her!....but I was responding to the sit in the pp. I have seen this several times and when there is a pattern , there is a reason. Retired women do not seem to be at the loose ends that retired men are. And we
are not accustomed to the attention, service etc that men are. As witness the hesitation and self doubt of the op ,who is looking after a distressed baby yet is so apologetic about asking a quick question in a sit where the shop assistant is listening to an elderly man chat.Do you always attack randomly when you need to displace your emotions inappropriately ?

YANBU but you should have basically appologsied like you had just eaten their last Rolo by mistake m

She should have also said to the old chap one second let me just help this lady.

YWNBU.