You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: Can you help me in booking from HOU to CLT, as there is a business meeting to attend?

ASSISTANT: Sure, we are happy to help you. Please let me know your trip dates.

USER: My journey dates are Aug 6 to Aug 8.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I am looking for a stopover flight which return in evening.

ASSISTANT: May I know your good name to proceed further?

USER: I am Paul Brown.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: We are regret to inform you that, no flights are available on your journey routes.

USER: No issue, thank you.

ASSISTANT: Thank you for opting us.