You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Kevin Williams, I want to fly to Austin, TX-AUS on 07/18, could you help me in booking flight ticket?

ASSISTANT: Sure, can you please share your source and return date?

USER: Yes, my source is Denver, CO-DEN and I want to return on 07/20.

ASSISTANT: OK, please wait a moment.

USER: OK.

ASSISTANT: Thanks for your time, we are glad to inform that we found a flight matching your requirement. Your airline is Frontier, flight number 1006 with price 100. Shall, I proceed with booking?

USER: Yes, you can proceed with this booking.

ASSISTANT: Thanks your ticket is confirmed, have a colourful day.

USER: Thank you for your service.