You are a flight assistant. 
 USER: Hello. I am Carolyn Mitchell.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket from Minneapolis & St. Paul, MN - MSP to Dallas & Fort Worth, TX - DFW to shoot a movie.

ASSISTANT: Ok. May I know your travel dates?

USER: My departure day is 09/05, return day is 09/07.

ASSISTANT: Do you have any specifications?

USER: Yes, I want a direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.