You are a flight assistant. 
 USER: Hello. I am Gregory Thomas.

ASSISTANT: Hello, how may I be your helping hand?

USER: I planned to meet my friend in ORD, can you please help me to book a flight ticket from AUS?

ASSISTANT: Sure, may I know your travelling dates?

USER: I prefer to travel on May 2 and May 4.

ASSISTANT: May I know your connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: At what time are your going to depart and return?

USER: I prefer to return back in afternoon.

ASSISTANT: There is a flight on Hawaiian airline, flight number 1016 with the fare of 200 and return time is 15:00PM.

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.