You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have an annual meet in our past college, So could you book a ticket from ATL to HOU.

ASSISTANT: Sure, please share your trip dates?

USER: My travel dates are as follows Aug 15 and Aug 17.

ASSISTANT: Can you please share your specification?

USER: I would like to board a direct flight with the economy class.

ASSISTANT: May I know your name?

USER: Emily Nelson here.

ASSISTANT: There is a direct flight in Spirit airlines withe fare 200.

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you.