You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Baker.

ASSISTANT: How can I help you today?

USER: I would like to visit CLT to meet my cousin, can you please help me to book a flight ticket from MCO?

ASSISTANT: Sure, can you share me your preferable dates?

USER: Sure, my trip dates are Aug 20 and Aug 28. Sorry, my arrival date is Aug 22.

ASSISTANT: Do you have any specifications?

USER: My departing time is afternoon and class preference is economy.

ASSISTANT: Sorry, no flights are available on your travel dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.