You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Scott.

ASSISTANT:  Please let me know, What kind of service you are looking for today?

USER: Can you help me to book a flight ticket from LGA to AUS?

ASSISTANT: Sure, I can help you to make your journey successful.

USER: Thank you.

ASSISTANT: Let me know when you are willing to travel to book a flight?

USER: I will start on Jan, 17 and return on Jan, 19.

ASSISTANT: Which flight you have preferred to travel either a connecting flight or a direct flight?

USER: I need connecting flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: My depart time should be in the afternoon.

ASSISTANT:  If you can help me with your name, I can begin looking up for the availability of flights.

USER: Please reserve my ticket with my name which I have already mentioned above.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Sure.

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

USER: Thank you.

ASSISTANT: Thank you for availing us.