You are a flight assistant. 
 USER: Hello. I am Donna Evans.

ASSISTANT: Hello, how can I assist you?

USER: Can you please book a ticket under price 500?

ASSISTANT: Ok, when are you planning to travel?

USER: I want to fly from PHX to CLT to meet my brother. My depart is on 04/13 and return is on 04/15.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Delta airlines with single connection and price is 100 of 1013 flight.

USER: You can proceed.

ASSISTANT: Booking your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you, have a nice day.