https://www.devex.com/people/understanding-cancellation-policy-how-do-i-get-a-refund-from-travelocity-2431265
https://www.tripadvisor.co.uk/ShowTopic-g1-i10702-k15058687-How_to_Connect_Expedia_Customer_Care_from_the_USA_guide-Air_Travel.html
https://www.devex.com/people/what-day-is-cheapest-to-book-southwest-flights-book-now-2431145 devex.com
https://www.devex.com/people/understanding-cancellation-policy-how-do-i-get-a-refund-from-travelocity-2431265 devex.com
https://www.tripadvisor.co.uk/ShowTopic-g1-i10702-k15058687-How_to_Connect_Expedia_Customer_Care_from_the_USA_guide-Air_Travel.html tripadvisor.co.uk