Provide the theme summaries for the following conversation: 

Maxi: Good evening, dear Thekla! Sorry to bother you but
Maxi: got stuck in a traffic jam on Washington Ave.
Thekla: Hello Maxi, oh dear! Is it very bad?
Maxi: By the looks of it yes. A major car accident.
Thekla: We might wait for you.
Maxi: Oh no! Please don't go into any trouble on my account.
Maxi: Just start the evening as planned.
Maxi: If I manage to get to Bolton's before 10, I'll just sneak in and take a seat in the back.
Thekla: How about texting me short when the traffic starts moving?
Thekla: Or when you're in the parking lot at Bolton's?
Thekla: How about Thomas? Weren't you expected to give him a lift?
Maxi: It has been taken care of.
Thekla: Thank you.
Maxi: Thank you, Thekla, for your understanding.
Thekla: Oh don't be silly! I know this town and its traffic!
Maxi: See you then!

Summary: 
Maxi got stuck in a traffic jam on Washington Ave because of a car accident. He'll be late for the evening at Bolton's. He'll give Thomas a lift. 