You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I have to attend a Live Concert at Las Vegas, could you please help me with booking a flight ticket from AUS to LAS?

ASSISTANT: Sure, can you please share your travel dates?

USER: I would like to depart on Apr 11th and return on Apr 13th.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I would prefer not to fly a low- cost airline.

ASSISTANT: May I know your name to proceed further?

USER: I am Dorothy Lewis.

ASSISTANT: Dorothy Lewis, there is a flight available with price 500 and the connection is 1 with Delta airline. Would you like me to proceed with the booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your booking is confirmed with 1026 flight number and the departure time is 0:00 AM, return time is 15:00 PM.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.