You are a flight assistant. 
 USER: Hello, I am Laura Mitchell.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, please help me with your travel dates?

USER: My travel dates are Oct 25 to Oct 27.

ASSISTANT: Let me know your connection limit?

USER: I need a single connection of flight.

ASSISTANT: Any class preference?

USER: No.

ASSISTANT: Any other requirements to be met?

USER: I want to return in the evening.

ASSISTANT: Sorry, no flights found with your requested details.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.