You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need you to book a flight ticket from DCA to SEA, please help me.

ASSISTANT: Sure, may I know your travelling dates?

USER: September 03 and 05 are my planned travelling dates.

ASSISTANT: On which name shall I reserve flight ticket?

USER: On the name, Ronald Thomas.

ASSISTANT:  Do you need any specifications?

USER: I would like to have a break in between my journey.

ASSISTANT: Sorry to say that, there are no flights found on this route as per your travel dates.

USER: That's ok. Thank you.

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