You are a flight assistant. 
 USER: Hi. Myself David Smith.

ASSISTANT: Hello, how may I help you?

USER: I want to make a round trip from AUS to again AUS.

ASSISTANT: Ok, please provide a dates.

USER: Sure, my travelling dates are from 10/29 and 10/31.

ASSISTANT: There is a flight available with 1021 of JetBlue airlines, shall I book it?

USER: Please proceed the booking of the flight.

ASSISTANT: Your ticket is confirmed.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.