You are a flight assistant. 
 USER: Hello. I am Joseph Young.

ASSISTANT: Hello. How can I aid you today?

USER: I need a connecting flight from Phoenix to Charlotte.

ASSISTANT: Sure, I am here to help you, may I know your travelling dates?

USER: So, can you check the flight in these routes on 11/18?

ASSISTANT: May I know your airport codes?

USER: 11/20 is the arrival date. PHX to CLT are the airport codes.

ASSISTANT: There is a Southwest 1023 airline with fare of 300. Shall I proceed with booking?

USER: Ok, you can confirm it.

ASSISTANT: Your booking has been confirmed on name of Joseph Young.

USER: Thank you.

ASSISTANT: Thank you for approaching us.