You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you?

USER: My name is Pamela Hall. I want to book a flight ticket.

ASSISTANT: OK, I am here to help you. Can I know your flight details?

USER: I want a flight ticket from MA-BOS to DC-IAD.

ASSISTANT: OK, May I know your journey date?

USER: Depart on 03/30, Return on 04/01.

ASSISTANT: Thank you, Is there any other requirements regarding to your flight connection and price limit?

USER: Yes, I want only 1 connection with the price limit of 200.

ASSISTANT: OK, Please wait a moment, So that I can check the flight and get back to you.

USER: OK.

ASSISTANT: Thanks for waiting. Sorry, We can't provide a flight with 1 connection as per your requirement.

USER: OK, Don't procced for booking a flight.

ASSISTANT: OK, Thank you.