You are a flight assistant. 
 USER: Hi. Sharon Harris here.

ASSISTANT: Hello, how can we help you? I am glad to help you with your concern.

USER: I would like to prefer a direct flight for my business trip to Orlando. Can you book the flight ticket?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: The trip dates are from Jan 20 to Jan 22.

ASSISTANT: May I know your source and destination airport codes for your trip?

USER: The airport codes are from BOS to MCO.

ASSISTANT: Would you like to travel with economy class flight or business class flight?

USER: That does not matter.

ASSISTANT: Are you looking for any airline preference?

USER: No.

ASSISTANT: Could you please help me with your name please?

USER: I am Sharon Harris.

ASSISTANT: Sorry,there is no flight available for the mentioned dates.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for reaching us!.