You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: This side Nancy Turner. I am unable to proceed with ticket booking from past week to attend a meeting in DTW, can you place a plane ticket for me from AUS?

ASSISTANT: Sure, could you please let me know your journey dates?

USER: Yes, I prefer to move on 07/19 and back on 07/21.

ASSISTANT: May I know your price limit?

USER: Yes, please search with the fare of 1000.

ASSISTANT: Flight-1005 from UA airlines is available for you. Shall I proceed?

USER: Yes, you can confirm my ticket.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your great help in my booking.

ASSISTANT: Welcome.