Travel tech news briefs: Airbnb, Agoda, BizTrip AI and more

This week's travel tech news briefs cover multiple partnerships and personnel changes: Airbnb and Delta Air Lines expanded their partnership, allowing SkyMiles members to earn 3 miles per $1 on qualifying experiences and services and 1 mile per $1 on stays; Ripe and GuideGeek integrated real-time lodging data; BizTrip AI appointed a head of product strategy; Casago partnered with Roam for flexible cancellation options; Homhero appointed a CTO; Key Data CEO to retire; Duetto promoted a chief sales officer; Visiting Media and UpMail integrated virtual tours; NITGB received investment; Agoda partnered with Macao Tourism to promote boutique hotels; TravelX appointed an APAC director; Porter Air…