You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, can you please share your travelling dates?

USER: My journey dates are 07/23 and 07/25.

ASSISTANT: Ok, do you need any break in between the journey?

USER: I need break in my journey.

ASSISTANT: May I know your name please?

USER: Samantha Baker here.

ASSISTANT: Please share your specifications.

USER: Departure time should be evening.

ASSISTANT: Wait a minute please I will get back to you.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no flights found with your details.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for reaching us, have a nice day.