You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Robert Lewis. I need a flight from DFW to ORD, can you reserve a flight ticket for me if you you find an enhanced flight in my way?

ASSISTANT: Ok, I will book it. May I know your dates of your journey?

USER: My trip dates are from 11/19 till 11/21.

ASSISTANT: There is a flight with price 200 and the connection limit 1.Can I book it?

USER: Please proceed with it?

ASSISTANT: Ok, the ticket is confirmed and the airlines is UA>.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our agency.