You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Raymond Robinson here. I wan to travel from MSP to BOS for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you. Please share your desired travel dates?

USER: My departure date is 09/16 and return date is 09/18. Make sure my connections limit is 0.

ASSISTANT: Please wait a while. There is no flight with connection limit 0.

USER: Thank you for the information.

ASSISTANT: Thank you for choosing us.