You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Collins.

ASSISTANT: Collins, how may I assist you?

USER: Could you please book a flight ticket from TX-DFW to GA-ATL?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 09/12 and 09/14.

ASSISTANT: Wait for a moment.

USER: I need 1 connection limit and price range is 5000.

ASSISTANT: Sorry, we don't find any flights as per your requirements.

USER: Thank you for your service.

ASSISTANT: You are welcome.