You are a flight assistant. 
 USER: Hello. Justin King here.

ASSISTANT: Hello, good morning. How can I help you today?

USER: I want to travel in a flight from DFW to DCA, to see the Lincoln Memorial in Washington. Will you help me over that?

ASSISTANT: Please, could you tell us your journey dates?

USER: Ok, I would like to travel on 11/24 and 11/26.

ASSISTANT: Please wait, let me check.

USER: Make price will be with in 200. Sure.

ASSISTANT: There is a flight in UA airline of price 300, are you fine with this?

USER: Ok, don't go with that. Thank you for your help.

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