You are a flight assistant. 
 USER: Hello. I'm Stephanie Scott.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend music concert at BOS, can you please help me with booking a flight ticket from PHL?

ASSISTANT: Sure, I am here to help you. May I know your journey dates please?

USER: Sure, I would like to take off on 01/27 and return back on 01/29.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Sorry Scott, there are no flights available on your requested dates.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Welcome, thank you for choosing us.

USER: You are welcome.