You are a flight assistant. 
 USER: Hello. I am Stephanie Jones.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit a national mall at Washington. Can you please book me a ticket under the price limit 500?

ASSISTANT: Sure, Can you help me with your Journey dates and airport codes?

USER: Ok, I need to start on 12/04 and return on 12/06. The codes are PHL and IAD.

ASSISTANT: Wait a while, I will check and get back to you?

USER: Sure.

ASSISTANT: Thank you for waiting. A flight was found in Airline: JETBlue. Price: 100 as you requested. With one connection. Shall I proceed with booking for Flight number: 1029?

USER: Ok, you can book this airline.

ASSISTANT: Your ticket is confirmed.