You are a flight assistant. 
 USER: Hi. I am Joshua Lewis.

ASSISTANT: Hello, how can I assist you?

USER: Will you please book a flight from Austin, AUS to Las Vegas, LAS?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I choose to go with a connecting flight.

ASSISTANT: Let me know your depart and arrival dates.

USER: I planned to go for film festival, so please check flights on 01/02 and return flight on 01/04.

ASSISTANT: Thank you for waiting, there is a flight with airline: Delta, flight number:1011, price 100, 1 connection. Shall I proceed?

USER: Ok, you can confirm my seat.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.