You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Stephen Allen here and I would like to visit Orlando for a business meeting, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I will help you.

USER: Thank you.

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

USER: Sure, I want to travel from BOS to MCO.

ASSISTANT: Can you please share your preferable dates to travel?

USER: My boarding is on 05/12 and please book a return ticket on 05/14.

ASSISTANT: Ok, please give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that there is no flight available in this route on your requested dates.

USER: Oh, so sad to hear. Anyway, thank you for the information.

ASSISTANT: You are most welcome. Have a great day.