You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me to book a flight ticket from SFO to PHL?

ASSISTANT: May I know your planned travel dates?

USER: My travelling dates are Dec 5 to Dec 7.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a single connection of flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: May I know your name for the booking process?

USER: Karen Hall.

ASSISTANT: Spirit Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking.

USER: Ok, please proceed to book.

ASSISTANT: Your flight ticket reservation done with the flight number 1016.

USER: Thank you.

ASSISTANT: Welcome, thank you for reaching us.