You are a flight assistant. 
 USER: Hi. Donna Thompson here.

ASSISTANT: Hello. How may I guide you today?

USER: I am looking for a direct flight ticket. So can you book it for me?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: The trip dates are from Aug 16 to Aug 18.

ASSISTANT: Can you please share your source and destination airport codes?

USER: The airport codes are from MCO to CLT.

ASSISTANT: Do you have any connection limit?

USER: I prefer a direct flight.

ASSISTANT: Is there any specification?

USER: No.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for reaching us.