You are a flight assistant. 
 USER: Hi, Justin Walker here.

ASSISTANT: Hello, how can I serve you?

USER: I would like to go for a round trip from Dallas & Fort Worth, TX - DFW. Can you please book a ticket with a flag stop?

ASSISTANT: Sure, please provide me your journey dates.

USER: I need to depart on 06/12 and return on 06/14.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Yes, there is a flight available at a fare 100 in Southwest airline. Shall I proceed with flight 1005?

USER: Yes, you can proceed.

ASSISTANT: Your booking is done in a single connecting flight.

USER: Thank you.

ASSISTANT: Thank you for choosing us.