You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how may I guide you?

USER: I want to attend a Seminar in PHL. Can you please help me for booking the flight ticket from SFO?

ASSISTANT: Yes, I will definitely help you. Can you please tell me your journey dates?

USER: My travelling dates are Jan 06 and Jan 08.

ASSISTANT: Ok, please let me know your preferred number of connections.

USER: I prefer single connecting flight.

ASSISTANT: May I know your name?

USER: Stephanie Harris.

ASSISTANT: I am really sorry to inform you that, there are no flights found with your travel dates .

USER: Anyway, thanks for the information.

ASSISTANT: Most welcome. Thank you for choosing us.