You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I am Donald Lee here. I looking for a flight  from EWR to MSP . Can you please help me in booking a flight ticket?

ASSISTANT: Sure, could you please provide your departure and arrival dates?

USER: My departure date is on Sept  24 and my arrival date is on Sept 26.

ASSISTANT: Do you need a connection in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: Ok, not an issue.Thank you for the information.

ASSISTANT: You are most welcome and thank you for consulting our agency.

USER: Thank you for your kind service.