You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need to travel Austin, can you please reserve flight ticket from DEN and AUS?

ASSISTANT: Sure, can I have your planned journey dates please?

USER: My travelling dates are Nov,28 and Nov,30.

ASSISTANT: Can I have your name please?

USER: Myself Paul Lee.

ASSISTANT: Do you have any connection preference?

USER: Yes, I need single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Make sure my flight ticket should be business class.

ASSISTANT: I found a business class in Hawaiian airlines with fare 900 and it has single connection. Can I book your ticket?

USER: Please proceed with the reservation.

ASSISTANT: Ok, your booking is confirmed with flight number 1008.

USER: Thank you.

ASSISTANT: Thank you for choosing us.