You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Matthew Adams here.

ASSISTANT: Welcome to flight booking agency Adams. How may I aid you today?

USER: I want to fly on 06/26 from Charlotte for attending a marriage. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you. Could you please provide your origin and destination airport codes for booking?

USER: My airport codes are from NC-CLT to NV-LAS.

ASSISTANT: Ok, may I know your return date to proceed further?

USER: My return date is 06/28. Make sure my price limit is 500.

ASSISTANT: Please hold on to check the availability of flights.

USER: Ok.

ASSISTANT: According your information, flight number 1004 from AA airlines with 1 halt is matches with your required price. Shall I proceed with this?

USER: Please proceed for booking the ticket.

ASSISTANT: Ok, your ticket has been booked successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a great journey.