You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, may I know your name please?

USER: Dorothy Jones here.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My travel dates are Nov 25 and Nov 27 respectively.

ASSISTANT: May I know your class preference please?

USER: No class preferences for me.

ASSISTANT: Do you have any other specifications please?

USER: I prefer for single connecting flight.

ASSISTANT: Sorry Jones, there is no flight found as per your travelling dates.

USER: Thank you.

ASSISTANT: Thank you for reaching us.