You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Nicholas Evans, can you help me to book a flight from MCO to ATL?

ASSISTANT:  If you provide your planned departure and return dates of travelling then it is easy to find a exact flight for you.

USER: My travelling dates are Jan 21 and 23.

ASSISTANT: Sure, can you please share your connection preferences?

USER: I need a connecting flight at afternoon from my origin.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Sorry, no flight available on your route.

USER: No issues, thank you for your time.

ASSISTANT: Thanks for choosing us, have a good day.