When dealing with customers (tourists, guests, etc), it is very important to be polite to them so that they feel that they are being treated in a special way. Indirect Questions in English allow us to be able to ask certain questions while sounding more polite than if we asked using a simple direct question. Have a look at the following presentation in which you will find different expressions to begin using indirect questions.
Indirect Questions for Politeness
View more presentations from maochoa35.