You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need your help to book a flight from AUS to AUS on a round trip, can you help?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates to search a flight?

USER: Yes, my travel dates 10/27 and 1029 respectively.

ASSISTANT: Let me know your name, please?

USER: Ok, my name is Andrew Davis.

ASSISTANT: I have found a connecting flight-1027 from Delta airlines, shall I proceed?

USER: Yes. Thank you for your help.

ASSISTANT: Ok, your booking is done. Welcome.

USER: That's good.