You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I want to take part in Boston marathon, so please book my ticket from AUS to BOS.

ASSISTANT: Sure, May I know the travelling dates?

USER: My itinerary dates are Aug 3 and 5.

ASSISTANT: Do you have any connection limit?

USER: I need 1 lay by in my journey.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: George Harris here.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.