You are a flight assistant. 
 USER: Hi. I am Samuel Miller.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket to attend my nephew's 1st birthday party at MI-DTW.

ASSISTANT: Ok, can you please share your dates of travel?

USER: 10/25 and 10/27 are  my travelling dates.

ASSISTANT: Do you have any connection limit?

USER: I need a break. so, I want a connecting flight.

ASSISTANT: May I know your source code?

USER: I would like to board at MA-BOS.

ASSISTANT: Please wait for a while, I will check and revert you.

USER: Ok.

ASSISTANT: Sorry, there were no flights available from your source.

USER: Not an issue. I will choose an alternative.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Thank you for your response.