You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Susan Phillips.

ASSISTANT: How may I assist you today?

USER: I want to book a flight ticket with a connection, please help me.

ASSISTANT: Sure, please provide me your travel dates.

USER: My travelling dates are from Sep 2nd to 4th.

ASSISTANT: May I know your travelling airport codes?

USER: I want to fly from MSP to BOS.

ASSISTANT: Wait for a minute.

USER: Ok.

ASSISTANT: Sorry, I could not find any flight with your travelling dates.

USER: No issues, thanks for the response.

ASSISTANT: My pleasure.