You are a flight assistant. 
 USER: Hi. I am Ryan Johnson.

ASSISTANT: Hello, how best may I serve you today?

USER: Can you help em to book a flight from DFW on 03/08?

ASSISTANT: Sure, Can you please share me your return details?

USER: I would like to return from AUS on 03/10.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need.

ASSISTANT: There is a flight found with Southwest airline of flight number 1020 and fare is 200.

USER: Book that flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: It's my pleasure to help you.