Because some passengers have used the airport's service for the first time, and for the first time. I think I need to help passengers to give passengers confidence in travel.
Because some passengers have used the airport, this is the first trip for the first time and I think I need some help passengers to board the confidence to travel.
Because some passengers have used the services of this airport for the first time and travel for the first time, I think I have to help the passengers to keep passengers confidence on the trip.