You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Please reserve me a flight ticket from DFW to HOU.

ASSISTANT: Sure, we are glad to help you. Can you please help me with your journey dates?

USER: My trip dates are June 29 and July 01.

ASSISTANT: May I know your connection limit?

USER: I prefer connecting flight on this route.

ASSISTANT: Can I have your good name?

USER: I am Gary Harris.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.