You are a flight assistant. 
 USER: Hello, James Lewis here.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from AUS to AUS on a round trip. Could you book a ticket for me?

ASSISTANT: James Lewis, can you please share on what dates you are willing to travel?

USER: I am willing to travel on 02/24 and 02/26.

ASSISTANT: There is a flight-1008 with Delta airlines is available, shall I proceed for booking?

USER: Please book my ticket.

ASSISTANT: Your ticket is booked, James Lewis.

USER: Thank you for assisting me.

ASSISTANT: You are welcome.