You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket from DEN to SEA. Could you help me in booking?

ASSISTANT: Sure, we are happy to help you. Can you please let me know your travelling dates?

USER: My travelling dates are from Apr 26 - 28.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I prefer for direct flight.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: Emma Miller.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.