You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Jacob Walker here. Can you please help me in booking a flight ticket from PHL to SFO?

ASSISTANT: Sure, I am here to help you with that flight ticket booking. May I know your preferable journey dates, please?

USER: Sure, my travel dates are from 12/23 to 12/25.

ASSISTANT: There is a connecting flight in Spirit airline with a fare of 100. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed successfully with the flight- 1017.

USER: Thank you for booking.

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