You are a flight assistant. 
 USER: Hello,. I am Joshua Smith.

ASSISTANT: Hello, how may I assist you?

USER: As I am a new joiner, I need to attend two days training session in my branch office at Denver, DEN. Can you please make a reservation from Washington, IAD?

ASSISTANT: Sure, we are here to help you. May I know your journey dates?

USER: Thank you. My journey start on 07/01 and need to catch return flight on 07/03.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight. Price should not cross 200.

ASSISTANT: We did not found any flight with fare 200.

USER: Ok, no issue.

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

USER: Thank you for your information.