You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Steven Miller, I want to visit to ATL to meet my clients. Can you aid me for booking from IAD?

ASSISTANT: Sure, can you please share your travelling dates?

USER: Sure, my travelling dates are July 29 and 31.

ASSISTANT: Please share your connection limit.

USER: Yes, I need a halt.

ASSISTANT: Do you have any other specifications?

USER: My depart is afternoon.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: Ok, thanks for your assistance.

ASSISTANT: Thank you for choosing us.