You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: My name is Kenneth Lee. I have a plan to meet my friend in Boston, can you help me for booking a flight ticket?

ASSISTANT: Ok, may I know your airport codes?

USER: My travelling airport codes are from DTW to BOS.

ASSISTANT: Sure, please share your trip dates too.

USER: My travelling dates are from 01/28 till 01/30.

ASSISTANT: Please wait a moment.

USER: Make sure that my connection limit should be 1.

ASSISTANT: Sorry, no connecting flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.