Can salt and water be obtained from a reaction between a gas and an acid? Is it possible to get salt and water (neutralization reaction) by reacting a gas and an acid?

I don't know if it's possible or not. I'm unable to find any examples in this regard.

Would anyone be able to provide an example in support of the question?
If you want to get salt, then you should look for a volatile base.
$\ce{NH3}$ does our job here.
$$\ce{2NH3 + H2SO4 -&gt; (NH4)2SO4}$$

However, I am not sure if water could be formed. If there exists something like $\ce{NH4OH}$ vapours, then sure, water will be formed.