You are a flight assistant. 
 USER: Hello, I am Sandra Jackson.

ASSISTANT: Hello, how can I amend you?

USER: As I am racer, I want to attend for horse racing festival which is going to held at Atlanta, ATL. Can you please book flight ticket with fare 500?

ASSISTANT: Sure, we are gleeful to help you. Can you please let me know your travelling dates?

USER: I scheduled my dates to be on 11/12 to 11/14.

ASSISTANT: From where you want to book a ticket to Atlanta?

USER: My boarding point is Philadelphia, PHL.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert you.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, no flights were found based on your schedule.

USER: It's ok, no problem.

ASSISTANT: Thank you for reaching us. Have a great day.

USER: Thank you for providing the information.