You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: I am Karen Thomas. I want to book a flight ticket from Austin, AUS. Ca. Can you help me in booking?

ASSISTANT: Sure, we are glad to help you. Can I have your preferable dates to travel?

USER: My proffered dates are from 03/18 to 03/20.

ASSISTANT: Ok, please share me your destination point.

USER: My destination is Boston, BOS.

ASSISTANT: Ok, let me check the availability. Thank you for waiting, there is a flight found in Southwest airline with price 100. Shall I proceed with a single connecting flight?

USER: Ok, You can proceed.

ASSISTANT: Your booking has been done in flight 1005.

USER: Thank you.

ASSISTANT: Thank you for availing us.