You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need flight having connection limit 0, to visit New York to meet my friend. So can you help me in finding a flight ticket?

ASSISTANT: Sure, when you are planning to travel?

USER: I am planning to travel in these dates 07/09 and 07/11.

ASSISTANT: Ok, can I have your airport codes please?

USER: I am in Denver, the airport I prefer is DEN and the destination is EWR.

ASSISTANT: Yes, could you provide me your name for further process?

USER: I am Kevin Williams.

ASSISTANT: Sorry for the inconvenience no flight's based on your dates.

USER: That's fine, thank you for checking.

ASSISTANT: Thank you for approaching us.