2 Co-Op opportunities. Want to become a flight attendant, so i don't know which one to choose!(Your opinions)?

Go with Air Canada. You'd be working for an airline and once your foot is in the door you should be able to bid for (apply for) other jobs within Air Canada through their internal job posting program. Also you want to be a flight attendant now, but once you're in there you might find something that interests you more. That's one thing working for an airline. There are so many different departments that it's almost like being able to change your career path without going to a different company/industry. Want to do customer service? Apply for Airport Customer Service. Want to do charter management? Go to the charter department. Want to be in marketing? Apply for a marketing rep job. Want to write? Go to Corporate Communications. The list is almost endless.