You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Justin King.

ASSISTANT: How can I assist you?

USER: I am planning to visit a Times Square in New York, NY - EWR, so please book a flight ticket from Dallas & Fort Worth, TX - DFW.

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: My departure day is 02/27, return day is 02/29.

ASSISTANT: Do you need any break?

USER: Yes, I need a halt.

ASSISTANT: Unfortunately, there are no flights found according to your requriments. Thank you for consulting us.