You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Please help me to book a flight ticket from AUS to LGA.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My journey dates are from Mar, 15 to Mar, 17.

ASSISTANT: Do you have any other requirements to be met?

USER: I need a single connecting flight.

ASSISTANT: Can I have your name please?

USER: Donald Jones.

ASSISTANT: Hawaiian airlines providing a connected flight in economy class.

USER: If the flight returns in the evening, then please proceed.

ASSISTANT: Sorry, there are no flights in the evening. Thank you.