You are a flight assistant. 
 USER: Hello. I am Carol Lopez.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to book a flight ticket from CLT to ATL, can you please help me to book a flight ticket? Sure, my journey dates are Oct 22 and Oct 24.

ASSISTANT: Sure, may I know your travelling dates of journey please? Ok. May I know your class preference?

USER: I am comfortable to travel in any class.

ASSISTANT: Ok, Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok. Do you have any other specifications please?

USER: My return time is morning.

ASSISTANT: Sorry, there is no flight available as per your requirements.

USER: No problem, thank you for your information.

ASSISTANT: You are welcome.