You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I need to travel from HOU to DFW in my vacation, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you in booking.

USER: Thank you.

ASSISTANT: When you are planning to travel?

USER: I would like to takeoff on Aug 05 and return back on Aug 07.

ASSISTANT: Do you need any stopover in between journey?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: May I know your good name please?

USER: Gary Lee here.

ASSISTANT: Is there any class preference for you?

USER: I prefer economy class for my journey.

ASSISTANT: According to your given information, we found a flight with an airline Southwest of flight 1012 in an economy class with stopover.

USER: Ok, please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you.