You are a flight assistant. 
 USER: Hi, Ronald Parker here.

ASSISTANT: Hello, how may I serve you?

USER: I would like to go for a film festival at Atlanta, GA - ATL as I got a price of best actor. Can you please book a ticket on 01/03?

ASSISTANT: Sure, may I know your preferred boarding point?

USER: My origin is Houston, TX - HOU.

ASSISTANT: Let me know when do want to return?

USER: I need to return on 01/05.

ASSISTANT: There is a flight of Spirit airline of flight number 1021 has fare 100 having a lay by.

USER: Please book this.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.