You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Michelle Carter. Please help me to book a flight ticket from MCO to ATL.

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are from Jan, 16 to Jan, 18.

ASSISTANT: Do you need any break?

USER: I need a direct flight.

ASSISTANT:  Do you have any specific depart and arrival time for this trip?

USER: I need to return in the afternoon.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT:  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for choosing us.