How a tourist assistant is important to tourists???

A tourist guide is an important person to a tourist. He helps a tourist to succeed his mission,he should be friendly amiable smart and polite to the tourists. A tourist guide is a person who helps the tourists of different countries. He plays a vital role to show the things of interest to the tourists. He has sound knowledge in some languages. He also has good idea about places, pictures, beauties of the regions of attraction.......