You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Could you book my ticket from PHL to LAX?

ASSISTANT: May I know your trip dates?

USER: My trip dates are Oct 8 and 10.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I want to depart from PHL in the afternoon.

ASSISTANT: May I know your good name?

USER: Shirley Davis here.

ASSISTANT: There were no flights found with your required dates to travel.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.