You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Please help me out in booking the ticket from ATL to PHL.

ASSISTANT: Sure, please share your journey dates?

USER: My trip dates will be Jun 13 to Jun 15.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your good name?

USER: Gary Hill.

ASSISTANT: Sorry, no flights found on your given details.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.