You are a flight assistant. 
 USER: Hello.

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

USER: I am Eric Hall from Las Vegas. Can you please help me in flight ticket booking process from LAS to HOU?

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: Thank you, I want to take off on Sept 03 and book my return ticket also on Sept 05.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: I want to return in afternoon time.

ASSISTANT: Do you have any other requirements about your journey?

USER: I need 1 break in between my journey.

ASSISTANT: I regret to say that Eric Hall, there are no flights which travels to your region as per your requirements.

USER: Oh! It's ok no problem. Thank you for your information.

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