You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I would like to go for a round trip to Atlanta, GA - ATL, so please book my ticket on the name of David Evans.

ASSISTANT: Sure, I would be happy to help you. Do you prefer any halt in between your journey?

USER: Yes, I prefer a halt.

ASSISTANT: What are your planned trip dates?

USER: My planned dates are on 01/27 to 01/29.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Southwest airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1000.

USER: Thank you.

ASSISTANT: Thank you for reaching us.