You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to travel from DCA to PHL as a holiday trip.

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are 06/10 and 06/12.

ASSISTANT: Do you have any specifications?

USER: I need break in my journey.

ASSISTANT: May I know your name?

USER: Lisa Wilson here.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you.