You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am looking to book a flight ticket from DCA to ORD. Can you help me for that?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My travelling dates are Jan 12 and Jan 14.

ASSISTANT: May I know your name please?

USER: My name is Ryan Nelson.

ASSISTANT: Do you have any connection limit?

USER: I would prefer single connecting flight.

ASSISTANT: Is there any other specifications?

USER: My class preference is economy.

ASSISTANT: I found a ticket for you with price of 200, flight number is 1001 in economy class and connection is 1. Is it ok for you?

USER: Yes, I am ok with that.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.