You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

USER: I want to book a flight within the range 200, for CA - LAX, Los Angeles. Can you help me?

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

USER: I want to move on 10/03. I intend to return on 10/05.

ASSISTANT: May I know your origin point?

USER: It was a round trip to Los Angeles.

ASSISTANT: Can you please help me with your name?

USER: Robert Lee, is my name.

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

USER: It is perfect, please proceed.

ASSISTANT: Your ticket is confirmed in flight number 1000.

USER: Thank you for serving me.

ASSISTANT: Thank you for reaching us.