You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Lisa Johnson here, can you please find any airline from DTW to AUS?

ASSISTANT: Sure, may I know your preferable dates?

USER: I am planning from 04/07 to 04/09.

ASSISTANT: Yes, I found a flight-1028 with Frontier airlines, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Yes, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for contacting  us.