You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for today?

USER: Can you please help me with booking a flight ticket from HOU to LAS?

ASSISTANT: Sure, I will help you about that. Can you please provide your planned dates of journey?

USER: My travel dates are Aug 29 and 31.

ASSISTANT: Will you please let me know if you need a connecting flight or direct flight for your journey?

USER: I need a connecting flight.

ASSISTANT: Can you please let me know your name for booking purpose?

USER: My name is Brain Clark.

ASSISTANT: Sorry to say this Brain Clark, there are no flights which travels to your region.

USER: That's ok. Thank you.

ASSISTANT: You are welcome, thank you for reaching us.