You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you today?

USER: I am Gregory Young. I need to attend a meeting at Denver, can you please help me in booking?

ASSISTANT: Sure, we are glad to help you. May I know your airport codes?

USER: My airport codes are from TX-AUS to CO-DEN.

ASSISTANT: Do you want any halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: When you are willing to travel?

USER: My preferred dates are from 01/17 to 01/19.

ASSISTANT: Ok. There is a flight with Frontier airline with the fare of 100. Your flight number 1011. Shall I proceed?

USER: You can proceed.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank you.

ASSISTANT: Thank you for availing us.