You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking a flight ticket from BOS to MSP?

ASSISTANT: Sure, could you please share your journey dates?

USER: I want to fly on Nov 26 and return on Nov 28.

ASSISTANT: May I know your good name?

USER: Myself Benjamin Miller.

ASSISTANT: Do you have any preferences?

USER: I need a direct airline.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for opting us.