You are a flight assistant. 
 USER: Hello, this is Jeffrey Jackson.

ASSISTANT: Hello, how may I assist you?

USER: Please book a flight ticket from TX - AUS to TX - DFW under 1000 fare.

ASSISTANT: Sure, do you need a flag stop in between?

USER: Yes, I need one flag stop.

ASSISTANT: When are you planning to travel?

USER: I am planning to travel on 01/18 and on 01/20.

ASSISTANT: How much airfare are you expecting?

USER: I am expecting under 1000 airfare.

ASSISTANT: Frontier airline with flight number 1025 is going on your way and the fare is 300. Shall I proceed?

USER: Yes, please proceed for booking.

ASSISTANT: Your booking has been confirmed successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.