Thai Air Asia International Public Company Limited. (Krabi Office) is located at Krabi International Airport, Phetkasem Road Nuaklong, Krabi. Krabi is a city of tourism, As a result, many passengers traveling to Krabi. Duties and responsibilities of ground service staff is waiting to welcome and accommodate all passengers traveling with Thai Air Asia both inbound and outbound, whether it is helping passengers who cannot walk by the service wheel chair, to facilitate elderly passengers and passengers traveling with children under 12 years old need to travel documents with documents confirming from parents and by the first passengers to board the aircraft. If passengers have any questions or need assistance, we are here to serve and assist passengers willingly. As part of Cooperative Education requirement at Walailak University, during 16 weeks from August 13th 2014 to November 28th, 2014 .Although I was just a cooperative education student or trainee, but I was assigned to work as a staff, which consists of three mains responsibilities such as Check-in for passengers, Give a service and take care passengers, CBTO (baggage service) and lastly participated in various activities.