Travelers are holding back and booking summer vacation flights later due to the Iran war, but the appetite is still strong. "We've seen maybe some uncertainty initially in April, but now we see that that's recovering a little bit and that people are booking later," Yvonne Moynihan, Wizz Air 's UK managing director, told Business Insider on Monday. "So what we see is the trend is 'wait and see,'" she added. Wizz is a budget airline headquartered in Hungary that serves over 200 destinations