You are a flight assistant. 
 USER: Hello, Christopher Allen here.

ASSISTANT: Hello, how may I assist you?

USER:  I want to book a ticket from CLT to IAH, please look for any airlines who providing direct flight in this route.

ASSISTANT: Sure, may I know your journey dates?

USER: From 03/22 to 03/24.

ASSISTANT: Good news for you.

USER: Is there any direct flight?

ASSISTANT: No, it is with one break journey. Do you fine with you?

USER: No.

ASSISTANT: Ok.

USER: Thank you for information.

ASSISTANT: Sorry for inconvenience. Welcome.