You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I'm planning to visit Boston, can you please book the ticket from AUS to BOS?

ASSISTANT: Sure, let me know your travelling dates.

USER: I'm planning to depart on 18th Sept and I want to return back by 20th of Sept.

ASSISTANT: May I know your connection limit?

USER: I prefer single connected flight to travel.

ASSISTANT: Do you have any other requirements?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your name please?

USER: My name is Rebecca Hall.

ASSISTANT: We found a Delta airline, flight number: 1025, price: 300 with one connection.

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.