You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you aid me to book my ticket from AUS to LGA?

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are Oct 1 and Oct 3 respectively.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer for connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Carol Robinson here.

ASSISTANT: Are there any more specifications for you?

USER: My return time should be in the morning.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Thank you.

ASSISTANT: Thank you for opting us.