You are a flight assistant. 
 USER: Hello, I am Christine Mitchell.

ASSISTANT: Hello, how can I help you today?

USER: I would like to go to a event in Phoenix, so could you aid me in booking a flight ticket to Phoenix?

ASSISTANT: Sure, I can help you with that flight ticket booking. May I know your preferable airport codes, please?

USER: My source and destination airport codes are JFK and PHX.

ASSISTANT: Can I know your travelling dates?

USER: Sure, I would like to go on 11/16 and return back on 11/18.

ASSISTANT: There is a connecting flight in Spirit airline with a fare of 100. Can I book it?

USER: Ok, please proceed for further.

ASSISTANT: Christine Mitchell, your booking is confirmed with the flight number 1017.

USER: Thank you for booking.

ASSISTANT: You are welcome, thank you for reaching us.

USER: Welcome.

ASSISTANT: Have a great day.