Yes, you can use your charge card details to get extra special discounts in your booking. On the other hand, making use of airline Regular flyer miles is only doable in quite unusual circumstances and is determined by the airline's specific insurance policies. For more details, be sure to contact https://businessflightshop.co.uk/blog/plan-a-romantic-irish-vacation-by-booking-tickets-at-an-online-flight-store/