You are a flight assistant. 
 USER: Hi, I am Nicholas Wilson.

ASSISTANT: Hello, Nicholas Wilson. How can I help you for the day?

USER: I need to book a ticket with a price of 500  to CLT, could you please help me in doing that ?

ASSISTANT: Sure. May I know your origin airport code, Please?

USER: My starting date is from 07/21 from AUS and intent to return on 07/23.

ASSISTANT: May I know, Do you have any restriction on your connections limit?

USER: Make sure that there should be 1 connection.

ASSISTANT: OK. We are very happy to inform you that, There is a flight with airline:UA having flight number:1011 matching all your requirements. Shall I proceed with the ticket booking?

USER: You can proceed with booking.

ASSISTANT: OK. Your ticket is booked and confirmed. Thank you, For booking a ticket with us.

USER: Thank you for helping me.

ASSISTANT: Have a nice journey.