You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Gregory Roberts here, please help me out in booking the ticket from AUS to LGA.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My trip dates will be 10/27 to 10/29.

ASSISTANT: Do you have any particular time for departing and returning?

USER: My depart time must be in the afternoon.

ASSISTANT: May I know your other specifications?

USER: Flight has to be with single connection.

ASSISTANT: There is a connecting flight 1003 of Hawaiian airlines, can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done in economy class.

USER: Thank you.

ASSISTANT: Welcome.