You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Christine Moore. Can you please book me a ticket with the fare of 1000?

ASSISTANT: Sure, let me know your airport codes.

USER: My airport codes are from ATL to AUS.

ASSISTANT: Ok, when did you scheduled to travel & return?

USER: I would like to leave between 06/12 and 06/14.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a flight with 1000 number and the fare is 200.

USER: Please book this ticket.

ASSISTANT: Ok, your ticket has been reserved in Southwest airline.

USER: Thank you.

ASSISTANT: Thank you for picking us.