Customers can make new reservations or modify existing ones by speaking with real Ryanair agents. If you have any issues with your flight, you may also contact the Ryanair customer service team by phone or live chat. Calls can only be placed by dialing the Ryanair phone number. On the other hand, if you are having issues with a flight with Ryanair Airlines, you must visit the airline's official website to talk with a live agent.
Talk to someone at Ryanair anytime, as customer service representatives are available around-the-clock to help travelers.
Source:
https://manageairlinesbooking.com/blog/how-do-i-speak-to-someone-at-ryanair/