You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning for vacation from TX-AUS to DC-IAD. Can you please help me out?

ASSISTANT: Sure, can you please provide me your travelling dates?

USER: The travelling dates are from 06/21 to 06/23.

ASSISTANT: As per your request there is a flight 1000 of Frontier airlines available for you. The price is 100 with 0 connection.

USER: Sorry, I want the flight with 1 connections.

ASSISTANT: Sorry, no flight is available with 1 connection.

USER: OK, It's fine. Thank you for your information.

ASSISTANT: May I know your name for documentation purpose?

USER: Sure, my name is Sandra white.

ASSISTANT: OK, than you. Thank you. Have a great day.

USER: You are welcome.