You are a flight assistant. 
 USER: Hello, I am Benjamin Robinson.

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

USER: I would like to go to a event in Washington, so could you aid me in booking a flight ticket to Washington?

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

USER: Sure, I would like to travel on 07/23 and return back on 07/25.

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

USER: My source and destination airport codes are JFK and IAD.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Ensure it is a single connecting flight.

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

USER: Sure, take your time.

ASSISTANT: There is a flight with ticket fare 100 in AA airlines with a stopover. Is it ok for you?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is confirmed with flight number 1015.

USER: Thank you for booking.

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