Complex sentence: If Clients need to adjust their fleet during seasonal demand or if there is a delayed delivery of an aircraft, they can offer the solution you need, as being able to react in this changing market-place is one of their main assets.
Split into simpler sentences: If Clients need to adjust their fleet during seasonal demand or if there is a delayed delivery of an aircraft, we can offer the solution you need. Our Ability to react in this changing market-place is one of our main assets.