You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me for booking from CLT to IAH?

ASSISTANT: Sure, may I know your depart and return dates?

USER: Sure, I will depart on Jan 14 and return on Jan 16.

ASSISTANT: May I know your connection limit?

USER: I need a stopover.

ASSISTANT: Do you have any other requirements?

USER: My depart time is afternoon.

ASSISTANT: May I know your name please?

USER: Sure, my name is Linda Lopez.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for opting us.