"Working for a reputable pharmaceutical company like Pfizer has been a goal of mine since I started pursuing my degree. Your company is a leader in the industry so I would love to learn from the best and hopefully prove that I can be a long-term player with a permanent position down the road."

Of course, you will be building your skills and gaining exposure to the workforce, but you should ideally share one or two unique things that really excite you most about the opportunity to gain experience at Pfizer. Perhaps this is your first job, or maybe it is the networking opportunities, working with experts, or the desire for permanent employment. Share your response with enthusiasm and use your research on the organization and the role to guide you.