You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Rachel Smith, can you help me to book a flight from ATL on 12/12?

ASSISTANT: Sure, will you please provide your return trip details?

USER: I will be return on 12/14.

ASSISTANT: May I know your landing location airport code?

USER: My destination airport code is IAH.

ASSISTANT: Please wait for a while, I will search for flights and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight -1001 in AA airlines and there is a halt in your trip. Shall I confirm your reservation?

USER: Please proceed.

ASSISTANT: Ok Smith, your ticket booking is done.

USER: Thank you for your help.

ASSISTANT: Have a happy journey. You are most welcome.