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

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend Global Environmental Conference in Benaroya hall, which is at Washington. Can you book me a ticket in economy class?

ASSISTANT: Sure, I will help you. Could you please share your source and destination airport codes?

USER: My origin is ORD and final destination is DCA.

ASSISTANT: May I know your planned travel dates please?

USER: I would start on December 9th and return on 11th.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a break within my route to DCA.

ASSISTANT: I found an economy class ticket in Delta airlines with price 100 and 1 connection. Can I book your ticket?

USER: That absolutely fine, please proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1012.

USER: Thanks for your support.

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