You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I want to book a flight ticket from IAD to IAH. Could you help me in booking?

ASSISTANT: Ok, I will help you with that. Can I know your planned trip dates?

USER: My travelling dates are from Dec 28-30.

ASSISTANT: Ok, do you have any other requirements?

USER: I prefer for connecting flight.

ASSISTANT: May I know your name?

USER: Gary Allen here.

ASSISTANT: The Southwest airlines are providing a flight having a connection limit 1. Can I proceed with the ticket booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed in an economy class and the flight number 1013.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us. Have a safe journey.