You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Gregory Scott. I want to do research on a project at NASA space center at Houston, tX-HOU, can you please book me a ticket from Atlanta, GA-ATL?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from 03/01 to 03/03.

ASSISTANT: Do you have any specifications?

USER: Price limit is 500 for my ticket. I want a halt in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline AA with flight number 1013 having a halt with fare 100.

USER: Ok, please proceed for booking.

ASSISTANT: Your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you.