You are a flight assistant. 
 USER: Hi, I am Amy Lee.

ASSISTANT: Hello, how may I assist you?

USER: I need to book a flight ticket from Austin to Chicago on 08/29 and return on 08/31, can you please help me with it?

ASSISTANT: Sure, may I know your journey codes?

USER: Yes, my airport codes are TX-AUS and IL-ORD.

ASSISTANT: Do you need any connection in between your journey?

USER: Yes, I need a connection in between.

ASSISTANT: we found a flight with number 1019 and AA as airline. The cost of the ticket is 100. Shall I go with booking?

USER: Yes, please.

ASSISTANT: Your  booking is done.

USER: Thank you.

ASSISTANT: Thank you.