You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Jennifer Nelson, I want to book a ticket to Los Angles to visit Royal Casino, can you book a connecting flight for me?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: I will fly on 04/12 and return on 04/14.

ASSISTANT: May I know your airport codes?

USER: My source point is DC-IAD and destination is CA-LAX.

ASSISTANT: Do you have any specifications?

USER: My budget is 5000 for flight ticket.

ASSISTANT: A flight with price 100 having single connection is found in AA airline. Shall I proceed with it?

USER: Sure.

ASSISTANT: Your ticket is confirmed in flight number 1020.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.