You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: My name is Helen Parker, I want to book a flight on 11/17 to spend my holidays at Boston city. Can you book a connecting flight for me?

ASSISTANT: Sure, could you please share your return date of travelling?

USER: I plan to return on 11/19.

ASSISTANT: Let me know your price limit?

USER: My budget is 5000.

ASSISTANT: Kindly mention your journey locations?

USER: My source point is CA-LAX and my destination is MA-BOS.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank your for your time, unfortunately no flights available on that route.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for availing us.