You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Christine Evans.

ASSISTANT: How should I assist you at this moment?

USER: I want to visit a historical place in Boston.Can you book a ticket from MSP to BOS?

ASSISTANT: Sure, I will help you with booking. On which dates do you want to travel?

USER: The departure is on 11/04 and return is on 11/06.

ASSISTANT: Ok, please give me a moment, I will provide you flight details.

USER: Make sure that connection limit is 1.

ASSISTANT: Thank you for waiting. Sorry for inconvenience, Sorry, there is no airlines providing flights with connection 1 in this route.

USER: That's Ok.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your help.

ASSISTANT: Have a good day. Please visit again.