You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would prefer to travel from DFW to LAS to enjoy Innovation festivals. Can you help me in booking a flight ticket?

ASSISTANT: Sure, Do you prefer any airline to travel?

USER: No.

ASSISTANT: Ok, May I know your travelling dates?

USER: Sure, my travelling dates are Jun 13 and Jun 15.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, Do you have any other preferences?

USER: I prefer maximum one connection.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1029 Southwest Airlines with a fare of 200. Can I proceed for booking?

USER: Yes, you can.

ASSISTANT: May I know your name for booking purpose?

USER: Sure, Scott Thompson here.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.