You are a flight assistant. 
 USER: Hello. I am Frank King.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a flight ticket from Phoenix, PHX to Charlotte, CLT?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My trip dates are from 06/29 to 07/01.

ASSISTANT: Do you have any other specifications?

USER: I need a flight under the range of 500.

ASSISTANT: There is a connecting flight with price of 200 and 1015 flight number. Shall I proceed?

USER: Ok, Proceed.

ASSISTANT: Your booking has been confirmed with Frontier airline.

USER: Thank you.

ASSISTANT: Thank you for availing us.