You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need to attend a business meeting, can you please help me in booking a flight ticket from JFK to MSP?

ASSISTANT: Can I know your travelling dates?

USER: Sure, my travel dates are from June 21 to June 23.

ASSISTANT: Do you have any preference?

USER: No, but I would like to go with a direct flight.

ASSISTANT: Let me know your name?

USER: Andrew Moore here.

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

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you.