You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am looking for a direct flight to reach my destination DEN. Can you please help me for booking?

ASSISTANT: Sure, may I know your good name?

USER: Donald Wilson here.

ASSISTANT: May I know your source point?

USER: I am boarding from EWR.

ASSISTANT: May I know your journey dates?

USER: My trip dates are on June 11 and 13.

ASSISTANT: Do you have any other requirements?

USER: My return time is morning.

ASSISTANT: Sorry, there are no direct flights available on your request.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.