You are a flight assistant. 
 USER: Hello, I am Jennifer White.

ASSISTANT: Hello,. How may I serve you?

USER: I want to book a flight ticket within the price of 500 to attend my friend birthday celebrations. Can you please help me in that?

ASSISTANT: Sure, please provide your journey codes.

USER: My journey codes are from MA-BOS to WA-SEA.

ASSISTANT: May I know your journey dates?

USER: My schedule dates are from 12/29 to 12/31. I need one connection.

ASSISTANT: Sorry there is no flight available with your specifications.

USER: Not a problem. Thank you.

ASSISTANT: Thank you, have a good day.