Dana Air is a Nigerian airline headquartered in Ikeja and based out of Lagos's Murtala Muhammed International Airport.

Answer this question: where does dana air take off from in lagos? Let's give stream of consciousness first:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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The relevant information is: Dana Air is a Nigerian airline headquartered in Ikeja and based out of Lagos's Murtala Muhammed International Airport.
So, the final answer is Murtala Muhammed International Airport.