You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Benjamin Harris here. I would like to prefer a business class for my business trip to Orlando. So can you book the flight ticket for me?

ASSISTANT: Sure, may I know your travelling airport codes please?

USER: The airport codes are from DFW to MCO.

ASSISTANT: Sure, may I know your planned travelling dates please?

USER: The travel dates are from 12 May to 14 May.

ASSISTANT: May I know your class preference please?

USER: That does not matter.

ASSISTANT: May I know your preferable time for journey?

USER: I do not have any particular time.

ASSISTANT: May I know your connection limit please?

USER: I  prefer a stopover flight.

ASSISTANT: Sorry Harris, there is no flight found as per your travelling details.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for reaching us.