You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me with booking a flight ticket from PHL to DTW?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My travelling dates are from Feb 22-24.

ASSISTANT: May I know your name for further process?

USER: Stephen Walker here.

ASSISTANT: Let me know your connection limit.

USER: I prefer to fly in direct flight.

ASSISTANT: Do you have any specification?

USER: I am comfortable with any flight.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.