You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from DEN to SEA as a holiday trip.

ASSISTANT: Please provide your trip dates.

USER: My journey dates are 12/15 and 12/17.

ASSISTANT: Do you need any connection limit?

USER: I need break in my journey.

ASSISTANT: Is there any other specifications?

USER: I am comfortable with normal cost airline.

ASSISTANT: May I know your name?

USER: Robert Brown here.

ASSISTANT: There are no flights available on your routes.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for choosing us.