You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I would like to book a ticket from PHX to CLT.

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

USER: Departure is by Dec, 30 and return date is Jan, 1.

ASSISTANT: Do you have any other specifications?

USER: I would prefer connecting flight.

ASSISTANT: There is a connecting flight-1017 in Spirit Airlines with a fare of 200. Shall I proceed with booking?

USER: Please book a flight.

ASSISTANT: May I know your name for booking purpose?

USER: My name is Nancy Clark.

ASSISTANT: Your booking is confirmed successfully in economy class.

USER: Thank you.

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