Philip Kotler (1997) defined service as ‘an action or an activity which can be offered by a party to another party, which is basically intangible and can not affect any ownership. Service may be related to tangible product or intangible product’ On the other hand, Zeithaml and Bitner (2003:85) mentioned that, ‘Service quality is a focused evaluation that reflects the customer’s perception of specific dimensions of service namely reliability, responsiveness, assurance, empathy, tangibles.’ Based on the assessment of service quality provided to the customers, business operators are able to identify problem quickly, improve their service and better assess client expectation. (Business Dictionary.com)