Yes -- the odds of both of those are too high. It is my hope that you'll be pleasantly surprised by the latter.
You might care to do this when you have some extra time, so that you can escalate the problem if you're not getting answers.
My "stock" phrase is, "Thank you. You've been very helpful. May I speak to your manager?" (No one can say you said anything bad about anybody.)
I will refrain from making bad jokes about preparing yourself by visiting gas stations, convenience stores, and the local location of a certain donut/ice cream chain.