The Importance of Politeness

When you're saying do you happen to have I think here you're thinking maybe not they might not have it like it. You could also say if you have a high chair can you tell me if you have gluten free pasta. It's very generous to the person that you're asking right gives them a lot of room to say no. This next phrase is way more extra words and it's a little convoluted but it is used and it's sort of extra formal and polite.