You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Robert Turner.

ASSISTANT: How may I guide you today?

USER: I am planning to travel form CLT to DFW, help me in booking a flight?

ASSISTANT: Sure, I am happy to help you with that. Can you please provide your preferable departure and return dates of travelling?

USER: My travelling dates are Jan 05 to 07.

ASSISTANT: Is there any specific timings in your departure and arrival?

USER: I want to return in afternoon flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Any connection limit do you have?

USER: I want direct flight.

ASSISTANT: Please be on hold to check the flights.

USER: ok.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: That's ok, thank you.

ASSISTANT: Thank you for utilizing our services.