You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,How can I assist you?

USER: I am Kevin Edwards want to travel to Austin to meet my sister. Can you book a ticket on 10/26?

ASSISTANT: Sure, May I know your travelling locations?

USER: I will travel from TX-DFW to TX-AUS. I will return on 10/28.

ASSISTANT: Do you have any other requirements?

USER: I need a flight within  5000.

ASSISTANT: There is a flight 1003 with Delta airline and price 100 with a connection. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket has been done.

USER: Thank you for booking.

ASSISTANT: Thank you.