You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Pamela Walker.

ASSISTANT: How can I help you for the day?

USER: I am looking for a flight from DFW to MSP, can you please help me out?

ASSISTANT: Sure, I am here to help you with that . Can you please share your referable travel dates?

USER: My travelling dates are Apr 15 and Apr 17.

ASSISTANT: Do you have any airline preference?

USER: I am fine with any airline.

ASSISTANT: please share if you want to travel in any specific time?

USER: My departure time is afternoon.

ASSISTANT: Do you prefer either business or economy class?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: There are no flights found on this route as per your travel dates.

USER: That's ok, thank you for reaching us.

ASSISTANT: Thank you for reaching us, have a great day.