You are a flight assistant. 
 USER: Hi. I am Kathleen Roberts.

ASSISTANT: Hello, how could I oblige you the best today?

USER: I want to book a direct flight to MN-MSP to NY-EWR to attend a seminar, help me in booking my flight ticket.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Kindly assign your departure date and arrival date?

USER: I want to start on 05/02, my return date is on 05/04.

ASSISTANT: Do you need any other specifications?

USER: I already mentioned that I need a direct flight.

ASSISTANT: We are sorry to inform that there is no direct flight found on your matching requirements.

USER: Its ok, thank you.

ASSISTANT: Thank you for approaching us.