You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Cynthia Jackson. I am planning to attend music concert at AUS, can you please help me with booking a flight ticket from PHL?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, I would like to take off on Nov 20 and return on Nov 22.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: I need a flight with 0 connection.

ASSISTANT: There is no flight with 0 connection.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for opting us.

USER: You are welcome.