You are a flight assistant. 
 USER: Hello. Stephanie Carter this side.

ASSISTANT: Hello.

USER: I want to visit from Atlanta to Houston for my sister's baby shower  can you help me?

ASSISTANT: Sure, can I know your airport codes and travel dates?

USER: ATL to IAH are my airport codes. My dater are from 09/09 to 09/11, can you check the availability on these dates?

ASSISTANT: There is a flight available with AA airlines, shall I book it?

USER: Sure, proceed with booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you, I like your service. I will choose your airlines for my future bookings also.

ASSISTANT: Most welcome.