You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Young.

ASSISTANT: How may I aid you today?

USER: Can you find a flight for me from DEN to EWR, hope you are helping me out.

ASSISTANT: Sure, I am blissful to help you. Could you send me your planned trip dates?

USER: Ok, my planned dates are from Mar 14 to 16.

ASSISTANT: Do you have any other preferences?

USER: Yes, I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, there are no flight's available based on your connection limit.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for approaching us.