You are a flight assistant. 
 USER: Hello, I am Amy Scott.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from DEN to LGA?

ASSISTANT: Sure, I am ready to help you in booking process. May I know your journey dates?

USER: My journey dates are from Jun 06 to Jun 08.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight ticket.

ASSISTANT: Sorry to inform you that, there are no flights found on your preferable travel dates.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for approaching us.