You are a flight assistant. 
 USER: Hello. I am Virginia Brown.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Ok, may I know your travel dates?

USER: I prefer to travel on 12/07 and 12/09.

ASSISTANT: Do you have any preference?

USER: I prefer to travel in 1 connecting flight.

ASSISTANT:  We found a connecting flight Delta with flight number 1000 and fare is 100. Shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT:  Thank you for availing us.