You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: Could you please help me to book a flight ticket from LAX to PHL?

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are Mar 30 and Apr 01.

ASSISTANT: Can I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Carol Perez.

ASSISTANT: Sorry, no flights available on your route.

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

ASSISTANT: Thank you for reaching us.