You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Larry wright here.

ASSISTANT: How can I help you?

USER: I'm planning to attend a wedding, please book a ticket from MCO to SFO.

ASSISTANT: Let me know your travelling dates?

USER: Sure, my planned departure and return travel dates are 24th and 26th of September.

ASSISTANT: Do you have any preference?

USER: Yes, I want to return in the afternoon in a single connected business class flight.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you.