You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you today?

USER: I am Benjamin Miller. I want to travel from DCA to PHX to attend an workshop.

ASSISTANT: Sure, May I know your travelling dates?

USER: The travelling dates are from 05/07 to 05/09.

ASSISTANT: Wait a minute, I will check and get back to you.

USER: I need a flight ticket with 200 price limit. Ok.

ASSISTANT: There is a Delta flight which matches your requirements the flight details are flight number : 1003, Price : 100 and with 1 connection. Shall I proceed with booking?

USER: Ok, You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Ok, Thank you.

ASSISTANT: Thank you for approaching us.