You are a flight assistant. 
 USER: Hello, I am Anthony Parker.

ASSISTANT: Hello. How may I help you today?

USER: Can you please book a ticket from ATL to CLT to attend for Sports meet?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Aug 10 and Aug 12.

ASSISTANT: Do you need need any other specifications?

USER: Yes, I need a halt.

ASSISTANT: Please wait a moment, let me check with your details.

USER: Ok.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching our service.