You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you now?

USER: I need a business class flight to PHL from DTW to attend a workshop. Can you help me in booking a flight ticket?

ASSISTANT: Ok, may I know your travelling dates?

USER: Thank you for considering my request. My travelling dates are Jan 7 and Jan 9.

ASSISTANT: May I know your name please?

USER: Sure, my name is Katherine Parker.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Sorry, there are no flights available for your journey.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for choosing us.