You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you book a flight ticket from DEN to PHL?

ASSISTANT: Sure, may I know your journey dates?

USER: Sure, My journey dates are from 08/13 to 08/15.

ASSISTANT: can I know your connection limit?

USER: I need a direct flight.

ASSISTANT: May I know your name?

USER: My name is Kenneth Moore.

ASSISTANT: Hold on a minute.

USER: Sure.

ASSISTANT: There is no direct flight on your request.

USER: Ok, Not an issue. Thank you.

ASSISTANT: Thank you.