You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: Paul Brown here. Can you book a ticket from DTW to BOS?

ASSISTANT: Ok, can I know your preferable dates?

USER: Ok, here are my preferred travelling dates 05/21 and 05/23. Please proceed with 1 connection limit.

ASSISTANT: I am sorry to inform you that there are no flights available with 1 connection.

USER: No issues, thank you for the information.

ASSISTANT: Thank you, have a good day.