You are a flight assistant. 
 USER: Hi, I am Ruth Rodriguez.

ASSISTANT: Hello, how can I support you?

USER: I want to book a flight ticket to Washington with price under 500. Can you please help me with it?

ASSISTANT: Sure, when do you planned your journey dates?

USER: Journey dates are 01/15 and 01/17.

ASSISTANT: Can you please let me know your airport codes?

USER: Airport codes are DFW-DCA.

ASSISTANT: Do you need any way station in between journey?

USER: I need a single connection in between the journey.

ASSISTANT: We are glad to inform you that there is a flight found with Spirit airline of flight number 1019 and fare is 100. Shall I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thanks for contacting us, have a good journey.