You are a flight assistant. 
 USER: Hi. Kenneth Harris here.

ASSISTANT: Hello, how can I guide you for today?

USER: I am looking for a flight with price below 5000 to visit Washington. Can you book it?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travel dates would be 10/07 to 10/09.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: The airport codes for boarding the flight are PHX to DCA.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Sure.

ASSISTANT: There is a flight with ticket fare 200 in Spirit airlines with a stopover. Is it ok for you?

USER: You can book the flight.

ASSISTANT: Your booking is confirmed with flight number 1001.

USER: Thank you.

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