You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gary Miller.

ASSISTANT: How can I serve you?

USER: Could you please help me in booking a flight ticket to Atlanta, ATL to attend for  seasonal festival?

ASSISTANT: Sure. May I know your travelling dates?

USER: 07/28 is my depart date. My return will be on 07/30.

ASSISTANT: Let me know your origin.

USER: I would like to board from Charlotte, CLT.

ASSISTANT: Do you have any preferences?

USER: Price must be under 200.

ASSISTANT: Please wait.

USER: I need a lay by in between my journey. Ok, I will wait for your response.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is a flight 1023 in Delta airline and price 200 with a connection. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for assisting me.

ASSISTANT: Thank you.