You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from CLT to DEN?

ASSISTANT: Can you please share your travelling dates?

USER: My travelling dates are Aug 10 to Aug 12.

ASSISTANT: Do you have class preference?

USER: No.

ASSISTANT: Do you need connection limit?

USER: I need a single connection of flight.

ASSISTANT: Is there any specific timings for you to travel?

USER: I want to depart in the afternoon.

ASSISTANT: May I know your name?

USER: Jeffrey Moore.

ASSISTANT: Sorry, no flight found in that route.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for choosing us.