You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I would like to spend my weekend at New York, please help me in booking a ticket.

ASSISTANT: Sure, is there a connection you need within your journey?

USER: Yes, I need 1 connection.

ASSISTANT: Let me know your travelling dates please.

USER: My trip dates are 04/07 and 04/09.

ASSISTANT: May I know your journey airport codes please?

USER: My airport codes are PHL and EWR.

ASSISTANT: Ok, give me a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for your time. Could you please mention your name?

USER: Sure, my name is David Turner.

ASSISTANT: There are no flights found according to you preferences.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for choosing us.