You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I want to book a flight ticket from AUS to BOS. Could you help me in booking?

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: My travelling dates are from May 14-16.

ASSISTANT: Would you like to travel in a direct flight or a connecting flight?

USER: I need connecting flight.

ASSISTANT: Do you have any other requirements for your journey?

USER: My return time should be in the morning.

ASSISTANT: Can you please provide your name for further proceedings?

USER: Jessica Lewis here.

ASSISTANT: Sorry Jessica Lewis, there are no flights which travels on your route.

USER: That's ok, no problem. Thank you.

ASSISTANT: You are welcome, thank you for reaching us.