You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you for the day?

USER: I planned to attend for a meeting in MCO, can you please help me to book a flight ticket from DFW?

ASSISTANT: Sure, can you please share your journey dates?

USER: I prefer to travel on Oct 10 and Oct 12.

ASSISTANT: May I know your name please?

USER: I am Jack Evans.

ASSISTANT: Do you prefer connecting or direct flight in your journey?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Please let me know, if you have any other preferences?

USER: I would like to depart in afternoon and return back in evening.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry we did not found any flights matching your specifications.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.