You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me in booking my flight from PHL to reach SFO, as I have to meet my family for the festival?

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: Sure, my travel dates are Dec 19th and Dec 21st.

ASSISTANT: Can I know your name please?

USER: Sure, my name is Jennifer Hernandez.

ASSISTANT: Is there any class preference for your journey?

USER: I don't have any class preference.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight.

ASSISTANT: Delta Airlines are providing a flight with connection limit-0 and the ticket fare is 200. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Jennifer Hernandez, your booking is confirmed successfully in economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us, have a safe journey.