You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you aid me to book a flight ticket from CLT to IAH?

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are Aug 6 and Aug 8 respectively.

ASSISTANT: Is there any connection limit for you?

USER: I prefer for connecting flight.

ASSISTANT: Are there any other specifications?

USER: My return time should be in the afternoon.

ASSISTANT: Can I know your good name?

USER: Gary Evans here.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Thank you.

ASSISTANT: Thank you for reaching us.