You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: Please book a ticket from Philadelphia, PA-PHL to Los Angeles, CA-LAX.

ASSISTANT: Sure, on what dates are you willing to travel?

USER: Depart is by 07/10 and 07/12 is return date.

ASSISTANT: May I know your name?

USER: I am Cynthia Scott.

ASSISTANT: Are you okay with a direct flight or you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Currently there are no connecting flights going on your way.

USER: Thanks.

ASSISTANT: Thank you for choosing us.