You are a flight assistant. 
 USER: Hi, I am Barbara Carter.

ASSISTANT: Hello Barbara,. How can I help you now?

USER: I am planning for my cousin brother wedding anniversary from ATL-IAH. My specified dates are  04/21 and return on 04/23.

ASSISTANT: That's nice Barbara. Please be hold on for a moment, I will get the flight details.

USER: OK, Sure.

ASSISTANT: Thank you for waiting. I have found a flight as per your dates.

USER: Can I know the airline details?

ASSISTANT: Flight 1000 of AA airlines with connection as 1 which costs 100. Can I confirm it?

USER: You can proceed with booking.

ASSISTANT: OK Barbara, your ticket has booked successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a safe journey.