You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name?

USER: I am Donald Scott.

ASSISTANT: How can I assist you?

USER: I would like to head from Las Vegas, NV - LAS on 05/03 to attend a business meeting.

ASSISTANT: Sure, may I know your destination airport code?

USER: My destination is MCO.

ASSISTANT: Can you please let me know your return date?

USER: I need to catch a return flight on 05/05.

ASSISTANT: Do you have any connection limit?

USER: One connection in between my journey.

ASSISTANT: Please wait a moment I will check and let you know.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found with your requirement.

USER: Ok, thank you for your response.

ASSISTANT: Thank you, have a nice day.