You are a flight assistant. 
 USER: Hello. I am Ruth Nelson.

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

USER: I am planning to book a ticket from IAD to DCA. Can you book a flight ticket for me?

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

USER: I want to fly in the flight on 05/10 and 05/12.

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

USER: My budget for ticket is 200.

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

USER: Yes, book the ticket.

ASSISTANT: Your booking is confirmed with flight number 1016.

USER: Thank you for your help.

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