This video contains 35 common situations to practice basic business English conversation. After listening to these conversations, you will definitely want to use the expressions you have learned.
Learn 250 Business English Conversation Dialogues in 2 Hours
https://youtu.be/N-b1LDlJinI
The Most Useful Business English Conversation Dialogues in 90 Minutes
https://youtu.be/pPbAyeTzTtU
1 Hour of Office English Dialogues: Business Talk Made Easy
https://youtu.be/q9UjYpHp2Vk