You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am John Moore. Can you please reserve me a flight ticket from AUS to DEN?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are Sept 18 and Sept 20.

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

USER: My depart time is afternoon and arrival time is evening.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: We found Hawaiian airline with price 300 and economy class and airline number is 1023 with arrival time is 23 PM and departure time is 18 PM, Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.