Group Tripo is a travel service specializing in organizing group flights and business class travel. They offer customized solutions, competitive pricing, and a seamless booking experience to cater to the unique needs of group travelers.

Airlines' Low Fare Tools Several airlines provide tools to help travelers find affordable fares:
Southwest Airlines Low Fare Calendar: This tool displays a month-by-month calendar with the lowest available fares for each day, allowing travelers to identify the most cost-effective dates for their trips.

Lufthansa Best Price Search: Lufthansa offers a best-price search function where travelers can select departure and destination airports, specify travel dates, and view the lowest-priced flights for the coming months.

Lufthansa's Policy on Missed Connections Lufthansa's obligations regarding missed connections depend on the cause: 
Within the Airline's Control: If a missed connection is due to reasons within Lufthansa's control, they are responsible for providing compensation and assistance to affected passengers.

Outside the Airline's Control: If the missed connection results from factors outside Lufthansa's control, such as weather conditions, the airline is not obligated to provide compensation but will assist in arranging alternative travel plans.

Air Canada's Low Fare Calendar : Air Canada offers a Low Fare Calendar that allows travelers to view the lowest available fares over a range of dates, facilitating flexible travel planning. This tool helps passengers identify the most affordable times to fly to their chosen destinations. 

Conclusion 
Group Tripo specializes in facilitating group travel with tailored solutions and competitive pricing. Airlines like Southwest, Lufthansa, and Air Canada provide tools such as low fare calendars and best-price searches to assist travelers in finding affordable flight options. Understanding each airline's policies on missed connections is crucial for travelers to navigate unforeseen disruptions effectively.